Banner (BANR) 10-Q 4 Nov 13 2013 Q3 Quarterly report Financial data

Document_and_Entity_Informatio

Document and Entity Information Document	9 Months Ended
	Sep. 30, 2013	Oct. 31, 2013
Document and Entity Information [Abstract]	'	'
Entity Registrant Name	'Banner Corporation	'
Document Type	'10-Q	'
Document Period End Date	30-Sep-13	'
Amendment Flag	'false	'
Entity Central Index Key	'0000946673	'
Current Fiscal Year End Date	'--12-31	'
Entity Common Stock, Shares Outstanding	'	19,543,769
Entity Filer Category	'Accelerated Filer	'
Entity Current Reporting Status	'Yes	'
Entity Voluntary Filers	'No	'
Entity Well-known Seasoned Issuer	'No	'
Document Fiscal Year Focus	'2013	'
Document Fiscal Period Focus	'Q3	'

CONSOLIDATED_STATEMENTS_OF_FIN

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
ASSETS	'	'
Cash and due from banks	$175,965	$181,298
Securities—trading, amortized cost $76,525 and $90,339, respectively	63,887	71,232
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	477,407	472,920
Securities—held-to-maturity, fair value $98,401 and $92,458, respectively	96,545	86,452
Federal Home Loan Bank (FHLB) stock	35,708	36,705
Loans receivable:	'	'
Held for sale	8,394	11,920
Held for portfolio	3,267,042	3,223,794
Allowance for loan losses	-76,657	-77,491
Total loans	3,198,779	3,158,223
Accrued interest receivable	15,164	13,930
Real estate owned (REO), held for sale, net	4,818	15,778
Property and equipment, net	89,092	89,117
Intangible assets, net	2,937	4,230
Bank-owned life insurance (BOLI)	61,442	59,891
Deferred tax assets, net	26,070	35,007
Income tax receivable	10,964	0
Other assets	23,775	40,781
Total assets	4,282,553	4,265,564
Deposits:	'	'
Non-interest-bearing	1,051,831	981,240
Interest-bearing transaction and savings accounts	1,583,430	1,547,271
Interest-bearing certificates	900,024	1,029,293
Total deposit liabilities	3,535,285	3,557,804
Advances from FHLB at fair value	20,258	10,304
Other borrowings	82,909	76,633
Junior subordinated debentures at fair value (issued in connection with Trust Preferred Securities)	73,637	73,063
Accrued expenses and other liabilities	24,830	26,389
Deferred compensation	15,642	14,452
Total liabilities	3,752,561	3,758,645
COMMITMENTS AND CONTINGENCIES (Note 15)	'	'
STOCKHOLDERS’ EQUITY	'	'
Common stock and paid in capital - $0.01 par value per share, 50,000,000 shares authorized, 19,543,050 shares issued and 19,508,710 shares outstanding at September 30, 2013; 19,454,965 shares issued and 19,420,625 shares outstanding at December 31, 2012	568,535	567,907
Accumulated deficit	-33,701	-61,102
Accumulated other comprehensive (loss) income	-2,855	2,101
Unearned shares of common stock issued to Employee Stock Ownership Plan (ESOP) trust at cost: 34,340 restricted shares outstanding at September 30, 2013 and December 31, 2012	-1,987	-1,987
Total Stockholders' Equity	529,992	506,919
Total Liabilities and Stockholders' Equity	$4,282,553	$4,265,564

CONSOLIDATED_STATEMENTS_OF_FIN1

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, except Share data, unless otherwise specified
ASSETS	'	'
Trading Securities, Amortized Cost Basis	$76,525	$90,339
Available-for-sale Securities, Amortized Cost Basis	481,867	469,650
Held-to-maturity Securities, Fair Value	$98,401	$92,458
STOCKHOLDERS’ EQUITY	'	'
Common Stock, Par or Stated Value Per Share	$0.01	$0.01
Common Stock, Shares Authorized	50,000,000	50,000,000
Common Stock, Shares, Issued	19,553,189	19,454,965
Shares, Outstanding	19,518,549	19,420,625
Common Stock, Shares Held in Employee Trust, Shares	34,340	34,340

CONSOLIDATED_STATEMENTS_OF_OPE

CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		9 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
INTEREST INCOME:	'	'	'	'
Loans receivable	$41,953	$43,953	$125,734	$131,981
Mortgage-backed securities	1,281	1,089	3,847	3,011
Securities and cash equivalents	1,803	2,132	5,535	6,645
Total Interest Income	45,037	47,174	135,116	141,637
INTEREST EXPENSE:	'	'	'	'
Deposits	2,330	3,536	7,539	12,019
FHLB advances	28	64	92	191
Other borrowings	44	71	151	694
Junior subordinated debentures	742	805	2,225	2,619
Total Interest Expense	3,144	4,476	10,007	15,523
Net interest income before provision for loan losses	41,893	42,698	125,109	126,114
PROVISION FOR LOAN LOSSES	0	3,000	0	12,000
Net interest income	41,893	39,698	125,109	114,114
OTHER OPERATING INCOME:	'	'	'	'
Deposit fees and other service charges	6,982	6,681	19,911	18,833
Mortgage banking operations	2,590	3,774	9,002	9,838
Miscellaneous	920	1,146	2,375	2,182
Other operating income (loss)	10,492	11,601	31,288	30,853
Gain on sale of securities	2	19	1,020	48
Other-than-temporary impairment recovery (loss)	0	-409	409	-409
Net change in valuation of financial instruments carried at fair value	-352	473	-1,954	-16,901
Total other operating income	10,142	11,684	30,763	13,591
OTHER OPERATING EXPENSES:	'	'	'	'
Salary and employee benefits	21,244	19,614	63,197	58,514
Less capitalized loan origination costs	-2,915	-2,655	-8,856	-7,652
Occupancy and equipment	5,317	5,811	16,061	16,492
Information/computer data services	1,710	1,807	5,353	5,068
Payment and card processing expenses	2,530	2,335	7,284	6,341
Professional services	1,074	993	2,799	3,561
Advertising and marketing	1,556	1,897	4,853	5,613
Deposit insurance	564	791	1,826	2,970
State/municipal business and use taxes	461	582	1,463	1,715
REO operations	-601	-1,304	-1,047	3,263
Amortization of core deposit intangibles	471	508	1,453	1,583
Miscellaneous	3,079	2,976	9,660	9,466
Total other operating expenses	34,490	33,355	104,046	106,934
Income before provision for income taxes	17,545	18,027	51,826	20,771
PROVISION FOR (BENEFIT FROM) INCOME TAXES	5,880	2,407	16,825	-29,423
NET INCOME	11,665	15,620	35,001	50,194
PREFERRED STOCK DIVIDEND, DISCOUNT ACCRETION AND GAINS	'	'	'	'
Preferred stock dividend	0	1,227	0	4,327
Preferred stock discount accretion	0	1,216	0	2,124
Gain on repurchase of preferred stock	0	-2,070	0	-2,070
NET INCOME AVAILABLE TO COMMON SHAREHOLDERS	$11,665	$15,247	$35,001	$45,813
Earnings per common share:	'	'	'	'
Basic (in dollars per share)	$0.60	$0.80	$1.81	$2.49
Diluted (in dollars per share)	$0.60	$0.79	$1.80	$2.48
Cumulative dividends declared per common share (in dollars per share)	$0.15	$0.01	$0.39	$0.03

CONSOLIDATED_STATEMENTS_OF_COM

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement of Comprehensive Income [Abstract]	'	'	'	'
NET INCOME	$11,665	$15,620	$35,001	$50,194
OTHER COMPREHENSIVE INCOME (LOSS), NET OF INCOME TAXES:	'	'	'	'
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax	1,239	641	-7,615	476
Income tax benefit (expense) related to AFS unrealized holding gains (losses)	-446	-225	2,733	-165
Reclassification for net (gains) losses on AFS securities realized in earnings	0	9	-116	38
Income tax benefit (expense) related to net gains (losses) on AFS securities realized in losses	0	-3	42	-14
Amortization of unrealized gain on tax exempt securities transferred from available-for-sale to held-to-maturity	0	2	0	7
Other comprehensive income (loss)	793	424	-4,956	342
COMPREHENSIVE INCOME	$12,458	$16,044	$30,045	$50,536

CONSOLIDATED_STATEMENTS_OF_CHA

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)	Total	Preferred Stock [Member]	Common Stock and Paid in Capital [Member]	(Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income [Member]	Unearned Restricted ESOP Shares [Member]
In Thousands, except Share data, unless otherwise specified
Balance, beginning of the period at Dec. 31, 2011	$532,450	$120,702	$531,149	($119,465)	$2,051	($1,987)
Balance, beginning of the period (in shares) at Dec. 31, 2011	'	124,000	17,519,132	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'
Net income	64,882	'	'	64,882	'	'
Change in valuation of securities - available-for-sale, net of income tax	42	'	'	'	42	'
Amortization of unrealized loss on tax exempt securities transferred from available-for-sale to held-to-maturity, net of income tax	8	'	'	'	8	'
Accretion of preferred stock discount	0	3,298	'	-3,298	'	'
Accrual of dividends on preferred stock	-4,938	'	'	-4,938	'	'
Repurchase of preferred stock (in shares)	'	-124,000	'	'	'	'
Repurchase of preferred stock	-124,000	-124,000	'	'	'	'
Gain on repurchase of preferred stock	2,471	'	'	2,471	'	'
Accrual of dividends on common stock	-754	'	'	-754	'	'
Proceeds from issuance of common stock for stockholder reinvestment program (in shares)	'	'	1,814,320	'	'	'
Proceeds from issuance of common stock for stockholder reinvestment program	36,317	'	36,317	'	'	'
Amortization of compensation related to restricted stock grant (in shares)	'	'	87,173	'	'	'
Amortization of compensation related to restricted stock grant	434	'	434	'	'	'
Amortization of compensation related to stock options	7	'	7	'	'	'
Balance, end of the period at Dec. 31, 2012	506,919	0	567,907	-61,102	2,101	-1,987
Balance, end of the period (in shares) at Dec. 31, 2012	19,420,625	0	19,420,625	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'
Net income	35,001	'	'	35,001	'	'
Change in valuation of securities - available-for-sale, net of income tax	-4,956	'	'	'	-4,956	'
Accrual of dividends on preferred stock	0	'	'	'	'	'
Gain on repurchase of preferred stock	0	'	'	'	'	'
Accrual of dividends on common stock	-7,600	'	'	-7,600	'	'
Proceeds from issuance of common stock for stockholder reinvestment program (in shares)	'	'	1,379	'	'	'
Proceeds from issuance of common stock for stockholder reinvestment program	45	'	45	'	'	'
Amortization of compensation related to restricted stock grant (in shares)	'	'	86,706	'	'	'
Amortization of compensation related to restricted stock grant	583	'	583	'	'	'
Balance, end of the period at Sep. 30, 2013	$529,992	'	$568,535	($33,701)	($2,855)	($1,987)
Balance, end of the period (in shares) at Sep. 30, 2013	19,518,549	'	19,508,710	'	'	'

CONSOLIDATED_STATEMENTS_OF_CHA1

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Statement of Stockholders' Equity [Abstract]	'	'	'	'	'
Cumulative dividends declared per common share (in dollars per share)	$0.15	$0.01	$0.39	$0.03	$0.04

CONSOLIDATED_STATEMENTS_OF_CAS

CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
OPERATING ACTIVITIES:	'	'
Net income	$35,001	$50,194
Adjustments to reconcile net income to net cash provided by operating activities:	'	'
Depreciation	5,540	6,048
Deferred income and expense, net of amortization	2,786	1,871
Amortization of core deposit intangibles	1,453	1,583
Gain on sale of securities	-1,020	-48
Other-than-temporary impairment (recovery) or loss	-409	409
Net change in valuation of financial instruments carried at fair value	1,954	16,901
Purchases of securities-trading	-27,458	-2,161
Proceeds from sales of securities-trading	29,351	2,170
Principal repayments and maturities of securities—trading	5,119	13,838
(Increase) decrease in deferred taxes	8,937	-41,474
Increase (decrease) in current taxes payable	-12,054	10,177
Equity-based compensation	583	195
Increase in cash surrender value of BOLI	-1,503	-1,489
Gain on sale of loans, net of capitalized servicing rights	-5,505	-6,117
Gain on disposal of real estate held for sale and property and equipment	-2,445	-3,645
Provision for losses on loans and real estate held for sale	490	16,451
Origination of loans held for sale	-360,602	-369,251
Proceeds from sales of loans held for sale	369,560	371,477
Net change in:	'	'
Other assets	20,666	-1,952
Other liabilities	-2,098	3,678
Net cash provided from operating activities	68,346	68,855
INVESTING ACTIVITIES:	'	'
Purchases of available-for-sale securities	-193,901	-299,985
Principal repayments and maturities of available-for-sale securities	74,642	290,440
Proceeds from sales of securities available-for-sale	103,274	13,282
Purchases of securities held-to-maturity	-12,963	-16,115
Principal repayments and maturities of securities held-to-maturity	2,613	2,800
Loan originations, net of principal repayments	-46,989	63,755
Purchases of loans and participating interest in loans	-166	-4,863
Purchases of property and equipment	-5,510	-3,823
Proceeds from sale of real estate held for sale, net	15,758	33,607
Proceeds from FHLB stock repurchase program	997	333
Other	-359	-432
Net cash (used by) provided from investing activities	-62,604	78,999
FINANCING ACTIVITIES:	'	'
Increase (decrease) in deposits, net	-22,519	10,718
Proceeds from Federal Home Loan Bank Borrowings	9,995	-4
Increase (decrease) in other borrowings, net	6,276	-69,853
Cash dividends paid	-4,872	-5,195
Cash proceeds from issuance of stock for stockholder reinvestment plan	45	36,314
Repurchase of preferred stock	0	48,514
Net cash used by financing activities	-11,075	-76,534
NET (DECREASE) INCREASE IN CASH AND DUE FROM BANKS	-5,333	71,320
CASH AND DUE FROM BANKS, BEGINNING OF PERIOD	181,298	132,436
CASH AND DUE FROM BANKS, END OF PERIOD	175,965	203,756
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:	'	'
Interest paid in cash	10,337	16,585
Taxes paid in cash	17,147	2,579
NON-CASH INVESTING AND FINANCING TRANSACTIONS:	'	'
Loans, net of discounts, specific loss allowances and unearned income, transferred to real estate owned and other repossessed assets	$2,743	$11,632

BASIS_OF_PRESENTATION_AND_CRIT

BASIS OF PRESENTATION AND CRITICAL ACCOUNTING POLICIES	9 Months Ended
	Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]	'
BASIS OF PRESENTATION AND CRITICAL ACCOUNTING POLICIES	'
	BASIS OF PRESENTATION AND CRITICAL ACCOUNTING POLICIES
	The accompanying unaudited consolidated financial statements include the accounts of Banner Corporation (the Company or Banner), a bank holding company incorporated in the State of Washington and its wholly-owned subsidiaries, Banner Bank and Islanders Bank (the Banks).
	These unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (GAAP) for interim financial information and in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X as promulgated by the Securities and Exchange Commission (SEC).  In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation of the financial position and results of operations for the periods presented have been included.  Certain information and disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to the rules and regulations of the SEC.  Certain reclassifications have been made to the 2012 Consolidated Financial Statements and/or schedules to conform to the 2013 presentation.  These reclassifications may have affected certain ratios for the prior periods. The effect of these reclassifications is considered immaterial.  All significant intercompany transactions and balances have been eliminated.
	The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect amounts reported in the financial statements.  Various elements of the Company’s accounting policies, by their nature, are inherently subject to estimation techniques, valuation assumptions and other subjective assessments.  In particular, management has identified several accounting policies that, due to the judgments, estimates and assumptions inherent in those policies, are critical to an understanding of Banner’s financial statements.  These policies relate to (i) the methodology for the recognition of interest income, (ii) determination of the provision and allowance for loan and lease losses, (iii) the valuation of financial assets and liabilities recorded at fair value, including other-than-temporary impairment (OTTI) losses, (iv) the valuation of intangibles, such as core deposit intangibles and mortgage servicing rights, (v) the valuation of real estate held for sale and (vi) the valuation of or recognition of deferred tax assets and liabilities.  These policies and judgments, estimates and assumptions are described in greater detail in subsequent notes to the Consolidated Financial Statements and Management’s Discussion and Analysis of Financial Condition and Results of Operations (Critical Accounting Policies) in our Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC.  Management believes that the judgments, estimates and assumptions used in the preparation of the financial statements are appropriate based on the factual circumstances at the time.  However, given the sensitivity of the financial statements to these critical accounting policies, the use of other judgments, estimates and assumptions could result in material differences in the Company’s results of operations or financial condition.  Further, subsequent changes in economic or market conditions could have a material impact on these estimates and the Company’s financial condition and operating results in future periods.
	The information included in this Form 10-Q should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC (2012 Form 10-K).  Interim results are not necessarily indicative of results for a full year.

RECENT_DEVELOPMENTS_AND_SIGNIF

RECENT DEVELOPMENTS AND SIGNIFICANT EVENTS	9 Months Ended
	Sep. 30, 2013
Recent Developments and Significant Events [Abstract]	'
RECENT DEVELOPMENTS AND SIGNIFICANT EVENTS	'
	RECENT DEVELOPMENTS AND SIGNIFICANT EVENTS
	Proposed Acquisition of Home Federal Bancorp, Inc.
	On September 24, 2013, Banner and Home Federal Bancorp, Inc. (NASDAQ: HOME), announced the signing of a definitive Agreement and Plan of Merger. The Agreement allowed a thirty-day period during which the board of directors of Home Federal could evaluate purchase offers from other institutions. On October 16, 2013, Home Federal's board declared that it had received a superior proposal from Cascade Bancorp. Under the terms of the Agreement, Banner's board of directors had the right but elected not to match Cascade's offer. Consequently, on October 23, 2013, Banner announced that the Agreement between it and Home Federal had been terminated. In connection with the termination of the Agreement, Home Federal paid a termination fee of $2.95 million to Banner.
	Income Tax Reporting and Accounting:
	Amended Federal Income Tax Returns:  The Company has years 2010-2012 open for tax examination under the statute of limitation provisions of the Internal Revenue Code of 1986 (Code). Tax years 2006-2009 are not open for assessment of additional tax, but remain open for adjustment to the amount of Net Operating Losses (NOLs), credit, and other carryforwards utilized in open years or to be utilized in the future. The Company filed amended federal income tax returns for tax years 2008 and 2009 to claim additional bad debt deductions, which resulted in additional NOLs for tax years 2008 and 2009. The Company also filed amended federal income tax returns for tax years 2005-2006 and a tentative refund claim for tax year 2007 to carryback the NOLs and general business credits from 2008 and 2009 to those earlier years. Review of the amended returns for all years was completed by the Internal Revenue Service (IRS) in the three months ended September 30, 2013. The Company signed a closing agreement with the IRS related to refund claims of $9.8 million, primarily all related to tax year 2006. Due to the uncertainty of the outcome, the Company had neither previously recorded a receivable nor adjusted deferred tax assets for the amendment. During the three months ended September 30, 2013, the Company recorded a tax receivable of $9.8 million with an offsetting adjustment to its deferred tax assets. Additionally, the Company received interest on the tax receivable of $450,000 in the quarter ending September 30, 2013, which is recorded in miscellaneous income. The Company will further analyze the impact of the closing agreement on subsequent tax years as well as the state income tax impact and record the necessary adjustments at year-end which are not expected to have a material effect on the Company's financial condition or results of operations.
	Deferred Tax Asset Valuation Allowance:  The Company and its wholly-owned subsidiaries file consolidated U.S. federal income tax returns, as well as state income tax returns in Oregon and Idaho.  Income taxes are accounted for using the asset and liability method.  Under this method a deferred tax asset or liability is determined based on the enacted tax rates which are expected to be in effect when the differences between the financial statement carrying amounts and tax basis of existing assets and liabilities are expected to be reported in the Company’s income tax returns.  The effect on deferred taxes of a change in tax rates is recognized in income in the period that includes the enactment date.  Under GAAP, a valuation allowance is required to be recognized if it is “more likely than not” that all or a portion of Banner’s deferred tax assets will not be realized.  During the quarter ended September 30, 2010, the Company evaluated its net deferred tax asset and determined it was prudent to establish a full valuation allowance against the net asset.  At each subsequent quarter-end, the Company ``re-analyzed that position and the Company continued to maintain a full valuation allowance through March 31, 2012.  During the quarter ended June 30, 2012, management analyzed the Company’s performance and trends over the previous five quarters, focusing on trends in asset quality, loan loss provisioning, capital position, net interest margin, core operating income and net income and the likelihood of continued profitability.  Based on this analysis, management determined that a full valuation allowance was no longer appropriate and reversed nearly all of the valuation allowance at that time.  The Company utilized the remaining valuation allowance to offset tax expense in the third and fourth quarters of 2012.  The ultimate realization of deferred tax assets is dependent upon the existence, or generation, of taxable income in the periods when those temporary differences and net operating loss and credit carryforwards are deductible.  See Note 12 of the Selected Notes to the Consolidated Financial Statements for more information.
	Preferred Stock Transactions:
	On March 29, 2012, the Company’s $124 million of senior preferred stock with a liquidation value of $1,000 per share, originally issued to the U.S. Treasury as part of its Capital Purchase Program, was sold by the Treasury as part of its efforts to manage and recover its investments under the Troubled Asset Relief Program (TARP).  While the sale of these preferred shares to new owners did not result in any proceeds to the Company and did not change the Company’s capital position or accounting for these securities, it did eliminate restrictions put in place by the Treasury on TARP recipients.  During the year ended December 31, 2012, the Company repurchased or redeemed all of its Series A Preferred Stock. The related warrants to purchase up to $18.6 million in Banner common stock (243,998 shares) were sold by the Treasury at public auction in June 2013. That sale did not change the Company's capital position and did not have any impact on the financial accounting and reporting for these securities.

ACCOUNTING_STANDARDS_RECENTLY_

ACCOUNTING STANDARDS RECENTLY ADOPTED	9 Months Ended
	Sep. 30, 2013
Accounting Changes and Error Corrections [Abstract]	'
ACCOUNTING STANDARDS RECENTLY ADOPTED	'
	ACCOUNTING STANDARDS RECENTLY ADOPTED
	Offsetting Assets and Liabilities
	In December 2011, the Financial Accounting Standards Board (FASB) issued Accounting Standard Update ("ASU") No. 2011-11, "Disclosures About Offsetting Assets and Liabilities." The new disclosure requirements mandate that entities disclose both gross and net information about instruments and transactions eligible for offset in the statement of financial condition as well as instruments and transactions subject to an agreement similar to a master netting arrangement. ASU No. 2011-11 also requires disclosure of collateral received and posted in connection with master netting agreements or similar arrangements.
	In January 2013, FASB issued ASU No. 2013-01, "Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities." The provisions of ASU No. 2013-01 limit the scope of the new balance sheet offsetting disclosures to the following financial instruments, to the extent they are offset in the financial statements or subject to an enforceable master netting arrangement or similar agreement, irrespective of whether they are offset in the statement of financial position: (1) derivative financial instruments; (2) repurchase agreements and reverse repurchase agreements; and (3) securities borrowing and securities lending transactions.
	The Company adopted the provisions of ASU No. 2011-11 and ASU No. 2013-01 effective January 1, 2013. As the provisions of ASU No. 2011-11 and ASU No. 2013-01 only impact disclosure requirements related to the offsetting of assets and liabilities and information instruments and transactions eligible for offset in the statement of financial condition, the adoption had no impact on the Company's consolidated statements of operations and financial condition.
	Reclassifications Out of Accumulated Other Comprehensive Income
	In February 2013, FASB issued ASU No. 2013-02, Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. ASU No. 2013-02 does not amend any existing requirements for reporting net income or other comprehensive income in the financial statements. ASU No. 2013-02 requires an entity to disaggregate the total change of each component of other comprehensive income (e.g., unrealized gains or losses on available-for-sale investment securities) and separately present reclassification adjustments and current period other comprehensive income. The provisions of ASU No. 2013-02 also require that entities present, either in a single note or parenthetically on the face of the financial statements, the effect of significant amounts reclassified from each component of accumulated other comprehensive income based on its source (e.g., unrealized gains or losses on available-for-sale investment securities). The Company adopted the provisions of ASU No. 2013-02 effective January 1, 2013. The adoption of this guidance did not have a material effect on the Company's consolidated financial statements.
	Unrecognized Tax Benefits
	In July 2013, FASB issued ASU No. 2013-11, "Presentation of an Unrecognized Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists." This ASU requires an unrecognized tax benefit to be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward. An exception exists to the extent that a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from the disallowance of a tax position or the tax of the applicable jurisdiction does not require the entity to use, and entity does not intend to use, the deferred tax asset for such a purpose, the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with deferred tax assets. ASU No. 2013-11 is effective for fiscal years and interim periods beginning after December 15, 2013 and is not expected to have a material impact on the Company's consolidated financial statements.

BUSINESS_SEGMENTS

BUSINESS SEGMENTS	9 Months Ended
	Sep. 30, 2013
Segment Reporting [Abstract]	'
BUSINESS SEGMENTS	'
	BUSINESS SEGMENTS
	The Company is managed by legal entity and not by lines of business.  Each of the Banks is a community oriented commercial bank chartered in the State of Washington.  Each of the Banks’ primary business is that of traditional banking institutions, gathering deposits and originating loans for portfolios in their respective markets.  The Banks offer a wide variety of deposit products to their consumer and commercial customers.  Lending activities include the origination of real estate, commercial/agriculture business and consumer loans.  Banner Bank is also an active participant in the secondary market, originating residential loans for sale on both a servicing released and servicing retained basis.  In addition to interest income on loans and investment securities, the Banks receive other income from deposit service charges, loan servicing fees and from the sale of loans and investments.  The performance of the Banks is reviewed by the Company’s executive management and Board of Directors on a monthly basis.  All of the executive officers of the Company are members of Banner Bank’s management team.
	Generally accepted accounting principles establish standards to report information about operating segments in annual financial statements and require reporting of selected information about operating segments in interim reports to stockholders.  The Company has determined that its current business and operations consist of a single business segment.

INTERESTBEARING_DEPOSITS_AND_S

INTEREST-BEARING DEPOSITS AND SECURITIES	9 Months Ended
	Sep. 30, 2013
Investments, Debt and Equity Securities [Abstract]	'
INTEREST-BEARING DEPOSITS AND SECURITIES	'
	INTEREST-BEARING DEPOSITS AND SECURITIES
	The following table sets forth additional detail regarding our interest-bearing deposits and securities at the dates indicated (includes securities—trading, available-for-sale and held-to-maturity, all at carrying value) (in thousands):
		September 30		December 31			September 30
		2013		2012			2012
	Interest-bearing deposits included in cash and due from banks	$	106,625	$	114,928		$	143,251
	U.S. Government and agency obligations	61,473		98,617			159,885
	Municipal bonds:
	Taxable	36,501		31,480			26,742
	Tax exempt	115,333		103,545			106,171
	Total municipal bonds	151,834		135,025			132,913
	Corporate bonds	46,145		48,519			40,505
	Mortgage-backed or related securities:
	One- to four-family residential agency guaranteed	58,616		105,770			108,830
	One- to four-family residential other	1,100		1,299			1,412
	Multifamily agency guaranteed	283,252		188,136			144,830
	Multifamily other	10,102		10,659			—
	Total mortgage-backed or related securities	353,070		305,864			255,072
	Asset-backed securities:
	Student Loan Marketing Association (SLMA)	15,676		32,474			32,752
	Other asset-backed securities	9,573		10,042			—
	Total asset-backed securities	25,249		42,516			32,752
	Equity securities (excludes FHLB stock)	68		63			50
	Total securities	637,839		630,604			621,177
	FHLB stock	35,708		36,705			37,038
		$	780,172	$	782,237		$	801,466
	Securities—Trading:  The amortized cost and estimated fair value of securities—trading at September 30, 2013 and December 31, 2012 are summarized as follows (dollars in thousands):
		September 30, 2013								December 31, 2012
		Amortized		Fair Value			Percent of			Amortized				Fair Value			Percent of
		Cost					Total			Cost							Total
	U.S. Government and agency obligations	$	1,370	$	1,510		2.4	%		$	1,380			$	1,637		2.3	%
	Municipal bonds:
	Tax exempt	4,966		4,987			7.8			5,590				5,684			8
	Total municipal bonds	4,966		4,987			7.8			5,590				5,684			8
	Corporate bonds	49,507		35,095			54.9			57,807				35,741			50.2
	Mortgage-backed or related securities:
	One- to four-family residential agency guaranteed	11,811		12,587			19.7			16,574				17,911			25.1
	Multifamily agency guaranteed	8,857		9,640			15.1			8,974				10,196			14.3
	Total mortgage-backed or related securities	20,668		22,227			34.8			25,548				28,107			39.4
	Equity securities	14		68			0.1			14				63			0.1
		$	76,525	$	63,887		100	%		$	90,339			$	71,232		100	%
	There were 40 sales of securities—trading totaling $29.4 million with a resulting net gain of $1.5 million during the nine months ended September 30, 2013, including $1.0 million which represented recoveries on certain collateralized debt obligations that had previously been written off. There were three sales of securities—trading during the nine months ended September 30, 2012.  Included in the net gain of $1.5 million was a $409,000 OTTI recovery on securities—trading related to the sale of certain equity securities issued by government-sponsored entities during the nine months ended September 30, 2013 and a $409,000 OTTI charge during the nine months ended September 30, 2012 related to these same equity securities.  As of September 30, 2013 and 2012, there were no securities—trading on a nonaccrual status.
	The amortized cost and estimated fair value of securities—trading at September 30, 2013 and December 31, 2012, by contractual maturity, are shown below (in thousands).  Expected maturities will differ from contractual maturities because some securities may be called or prepaid with or without call or prepayment penalties.
		September 30, 2013					December 31, 2012
		Amortized Cost		Fair Value			Amortized Cost				Fair Value
	Due in one year or less	$	—	$	—		$	—			$	—
	Due after one year through five years	3,957		4,219			4,496				4,867
	Due after five years through ten years	16,483		17,502			14,251				15,536
	Due after ten years through twenty years	21,947		18,737			12,055				11,346
	Due after twenty years	34,124		23,361			59,523				39,420
		76,511		63,819			90,325				71,169
	Equity securities	14		68			14				63
		$	76,525	$	63,887		$	90,339			$	71,232
	Securities—Available-for-Sale:  The amortized cost and estimated fair value of securities—available-for-sale at September 30, 2013 and December 31, 2012 are summarized as follows (dollars in thousands):
		September 30, 2013
		Amortized		Gross			Gross				Fair				Percent of
		Cost		Unrealized			Unrealized				Value				Total
				Gains			Losses
	U.S. Government and agency obligations	$	59,217	$	173		$	(622	)		$	58,768			12.3	%
	Municipal bonds:
	Taxable	25,669		113			(230		)		25,552				5.4
	Tax exempt	29,847		160			(244		)		29,763				6.2
	Total municipal bonds	55,516		273			(474		)		55,315				11.6
	Corporate bonds	9,006		13			(19		)		9,000				1.9
Mortgage-backed or related securities:
One- to four-family residential agency guaranteed	46,162		807			(940		)		46,029				9.6
One- to four-family residential other	1,025		75			—				1,100				0.2
Multifamily agency guaranteed	274,674		455			(3,285		)		271,844				57
Multifamily other	10,628		—			(526		)		10,102				2.1
Total mortgage-backed or related securities	332,489		1,337			(4,751		)		329,075				68.9
Asset-backed securities:
SLMA	15,576		100			—				15,676				3.3
Other asset-backed securities	10,063		—			(490		)		9,573				2
Total asset-backed securities	25,639		100			(490		)		25,249				5.3
	$	481,867	$	1,896		$	(6,356	)		$	477,407			100	%
	December 31, 2012
	Amortized		Gross			Gross				Fair				Percent of
	Cost		Unrealized			Unrealized				Value				Total
			Gains			Losses
U.S. Government and agency obligations	$	96,666	$	367		$	(53	)		$	96,980			20.5	%
Municipal bonds:
Taxable	20,987		233			(67		)		21,153				4.5
Tax exempt	23,575		221			(11		)		23,785				5
Total municipal bonds	44,562		454			(78		)		44,938				9.5
Corporate bonds	10,701		37			(9		)		10,729				2.3
Mortgage-backed or related securities:
One- to four-family residential agency guaranteed	87,392		1,051			(584		)		87,859				18.6
One- to four-family residential other	1,223		76			—				1,299				0.3
Multifamily agency guaranteed	176,026		2,140			(226		)		177,940				37.6
Multifamily other	10,700		4			(45		)		10,659				2.2
Total mortgage-backed or related securities	275,341		3,271			(855		)		277,757				58.7
Asset-backed securities:
SLMA	32,309		210			(45		)		32,474				6.9
Other asset-backed securities	10,071		—			(29		)		10,042				2.1
Total asset-backed securities	42,380		210			(74		)		42,516				9
	$	469,650	$	4,339		$	(1,069	)		$	472,920			100	%
At September 30, 2013 and December 31, 2012, an aging of unrealized losses and fair value of related securities—available-for-sale was as follows (in thousands):
	September 30, 2013
	Less Than 12 Months					12 Months or More								Total
	Fair Value		Unrealized			Fair Value				Unrealized				Fair Value			Unrealized
			Losses							Losses							Losses
U.S. Government and agency obligations	$	40,637	$	(622	)	$	—			$	—			$	40,637		$	(622	)
Municipal bonds:
Taxable	17,756		(230		)	—				—				17,756			(230		)
Tax exempt	11,363		(243		)	379				(1		)		11,742			(244		)
Total municipal bonds	29,119		(473		)	379				(1		)		29,498			(474		)
Corporate bonds	4,981		(19		)	—				—				4,981			(19		)
Mortgage-backed or related securities:
One- to four-family residential agency guaranteed	4,133		(274		)	19,478				(666		)		23,611			(940		)
Multifamily agency guaranteed	194,062		(3,219		)	3,040				(66		)		197,102			(3,285		)
Multifamily other	10,102		(526		)	—				—				10,102			(526		)
Total mortgage-backed or related securities	208,297		(4,019		)	22,518				(732		)		230,815			(4,751		)
Asset-backed securities:
Other asset-backed securities	9,573		(490		)	—				—				9,573			(490		)
Total asset-backed securities	9,573		(490		)	—				—				9,573			(490		)
	$	292,607	$	(5,623	)	$	22,897			$	(733	)		$	315,504		$	(6,356	)
	December 31, 2012
	Less Than 12 Months					12 Months or More								Total
	Fair Value		Unrealized			Fair Value				Unrealized				Fair Value			Unrealized
			Losses							Losses							Losses
U.S. Government and agency obligations	$	22,955	$	(53	)	$	—			$	—			$	22,955		$	(53	)
Municipal bonds:
Taxable	11,009		(67		)	—				—				11,009			(67		)
Tax exempt	4,619		(11		)	—				—				4,619			(11		)
Total municipal bonds	15,628		(78		)	—				—				15,628			(78		)
Corporate bonds	6,670		(9		)	—				—				6,670			(9		)
Mortgage-backed or related securities:
One- to four-family residential agency guaranteed	32,459		(503		)	5,746				(81		)		38,205			(584		)
Multifamily agency guaranteed	32,170		(226		)	—				—				32,170			(226		)
Multifamily other	7,279		(45		)	—				—				7,279			(45		)
Total mortgage-backed or related securities	71,908		(774		)	5,746				(81		)		77,654			(855		)
Asset-backed securities:
SLMA	9,674		(45		)	—				—				9,674			(45		)
Other asset-backed securities	10,042		(29		)	—				—				10,042			(29		)
Total asset-backed securities	19,716		(74		)	—				—				19,716			(74		)
	$	136,877	$	(988	)	$	5,746			$	(81	)		$	142,623		$	(1,069	)
Proceeds from the sale of 35 securities—available-for-sale during the nine months ended September 30, 2013 were $103.3 million with a resulting loss of $116,000. There were three sales of securities—available-for-sale totaling $13.3 million with a resulting gain of $38,000 during the nine months ended September 30, 2012.  At September 30, 2013, there were 124 securities—available for sale with unrealized losses, compared to 52 securities at December 31, 2012.  Management does not believe that any individual unrealized loss as of September 30, 2013 represents OTTI.  The decline in fair market values of these securities was generally due to changes in interest rates and changes in market-desired spreads subsequent to their purchase.
The amortized cost and estimated fair value of securities—available-for-sale at September 30, 2013 and December 31, 2012, by contractual maturity, are shown below (in thousands).  Expected maturities will differ from contractual maturities because some securities may be called or prepaid with or without call or prepayment penalties.
	September 30, 2013					December 31, 2012
	Amortized Cost		Fair Value			Amortized Cost				Fair Value
Due in one year or less	$	25,195	$	25,361		$	16,369			$	16,393
Due after one year through five years	301,409		298,978			205,913				207,147
Due after five years through ten years	86,050		84,906			132,372				133,407
Due after ten years through twenty years	13,219		12,856			43,386				43,414
Due after twenty years	55,994		55,306			71,610				72,559
	$	481,867	$	477,407		$	469,650			$	472,920
Securities—Held-to-Maturity:  The amortized cost and estimated fair value of securities—held-to-maturity at September 30, 2013 and December 31, 2012 are summarized as follows (dollars in thousands):
	September 30, 2013
	Amortized Cost		Gross			Gross				Fair Value				Percent of
			Unrealized			Unrealized								Total Amortized
			Gains			Losses								Cost
U.S. Government and agency obligations	$	1,195	$	—		$	(62	)		$	1,133			1.2	%
Municipal bonds:
Taxable	10,949		237			(182		)		11,004				11.3
Tax exempt	80,583		3,080			(1,203		)		82,460				83.6
Total municipal bonds	91,532		3,317			(1,385		)		93,464				94.9
Corporate bonds	2,050		—			—				2,050				2.1
Mortgage-backed or related securities:
Multifamily agency guaranteed	1,768		—			(14		)		1,754				1.8
Total mortgage-backed or related securities	1,768		—			(14		)		1,754				1.8
	$	96,545	$	3,317		$	(1,461	)		$	98,401			100	%
	December 31, 2012
	Amortized Cost		Gross			Gross				Fair Value				Percent of
			Unrealized			Unrealized								Total Amortized
			Gains			Losses								Cost
Municipal bonds:
Taxable	$	10,326	$	436		$	(157	)		$	10,605			11.9	%
Tax exempt	74,076		5,757			(30		)		79,803				85.7
Total municipal bonds	84,402		6,193			(187		)		90,408				97.6
Corporate bonds	2,050		—			—				2,050				2.4
	$	86,452	$	6,193		$	(187	)		$	92,458			100	%
At September 30, 2013 and December 31, 2012, an age analysis of unrealized losses and fair value of related securities—held-to-maturity was as follows (in thousands):
	September 30, 2013
	Less Than 12 Months					12 Months or More								Total
	Fair Value		Unrealized			Fair Value				Unrealized				Fair Value			Unrealized
			Losses							Losses							Losses
U.S. Government and agency obligations	$	1,133	$	(62	)	$	—			$	—			$	1,133		$	(62	)
Municipal bonds:
Taxable	5,827		(182		)	—				—				5,827			(182		)
Tax exempt	20,954		(1,203		)	—				—				20,954			(1,203		)
Total municipal bonds	26,781		(1,385		)	—				—				26,781			(1,385		)
Mortgage-backed or related securities:
Multifamily agency guaranteed	1,754		(14		)	—				—				1,754			(14		)
Total mortgage-backed or related securities	1,754		(14		)	—				—				1,754			(14		)
	$	29,668	$	(1,461	)	$	—			$	—			$	29,668		$	(1,461	)
	December 31, 2012
	Less Than 12 Months					12 Months or More								Total
	Fair Value		Unrealized			Fair Value				Unrealized				Fair Value			Unrealized
			Losses							Losses							Losses
Municipal bonds:
Taxable	$	4,137	$	(157	)	$	—			$	—			$	4,137		$	(157	)
Tax exempt	910		(30		)	—				—				910			(30		)
Total municipal bonds	$	5,047	$	(187	)	$	—			$	—			$	5,047		$	(187	)
There were no sales of securities—held-to-maturity and the Company did not recognize any OTTI charges on securities—held-to-maturity during the nine months ended September 30, 2013 and 2012.  As of September 30, 2013, there were no securities—held-to-maturity in a nonaccrual status.  There were 32 securities—held-to-maturity with unrealized losses at September 30, 2013, compared to five securities at December 31, 2012.  Management does not believe that any individual unrealized loss on a security as of September 30, 2013 represents OTTI.  The decline in fair market value of these securities was generally due to changes in interest rates and changes in market-desired spreads subsequent to their purchase.
The amortized cost and estimated fair value of securities—held-to-maturity at September 30, 2013 and December 31, 2012, by contractual maturity, are shown below (in thousands).  Expected maturities will differ from contractual maturities because some securities may be called or prepaid with or without call or prepayment penalties.
	September 30, 2013					December 31, 2012
	Amortized Cost		Fair Value			Amortized Cost				Fair Value
Due in one year or less	$	3,185	$	3,201		$	3,323			$	3,410
Due after one year through five years	12,970		13,410			13,641				14,335
Due after five years through ten years	15,870		15,880			13,295				13,452
Due after ten years through twenty years	61,422		63,032			53,031				57,868
Due after twenty years	3,098		2,878			3,162				3,393
	$	96,545	$	98,401		$	86,452			$	92,458
Pledged Securities: The following table presents, as of September 30, 2013, investment securities which were pledged to secure borrowings, public deposits or other obligations as permitted or required by law (in thousands):
	Carrying Value		Amortized Cost			Fair Value
Purpose or beneficiary:
State and local governments public deposits	$	107,920	$	107,867		$	110,139
Interest rate swap counterparties	7,634		7,290			7,634
Retail repurchase agreements	107,307		107,366			107,307
Total pledged securities	$	222,861	$	222,523		$	225,080

FHLB_STOCK

FHLB STOCK	9 Months Ended
	Sep. 30, 2013
Banking and Thrift [Abstract]	'
FHLB STOCK	'
	FHLB STOCK
	The Banks’ investments in Federal Home Loan Bank of Seattle stock are carried at par value ($100 per share), which reasonably approximates its fair value.  As members of the FHLB system, the Banks are required to maintain a minimum level of investment in FHLB stock based on specific percentages of their outstanding FHLB advances.  For the three months and nine months ended September 30, 2013, the Banks received dividend income of $9,000 on FHLB stock. For the three months and nine months ended September 30, 2012, the Banks did not receive any dividend income on FHLB stock.   At September 30, 2013 and December 31, 2012, respectively, the Company had recorded $35.7 million and $36.7 million in FHLB stock.  This stock is generally viewed as a long-term investment and is carried at par.  It does not have a readily determinable fair value.  Ownership of FHLB stock is restricted to the FHLB and member institutions and can only be purchased and redeemed at par.
	Management periodically evaluates FHLB stock for impairment.  Management’s determination of whether these investments are impaired is based on its assessment of the ultimate recoverability of cost rather than by recognizing temporary declines in value.  The determination of whether a decline affects the ultimate recoverability of cost is influenced by criteria such as (1) the significance of any decline in net assets of the FHLB as compared to the capital stock amount for the FHLB and the length of time this situation has persisted, (2) commitments by the FHLB to make payments required by law or regulation and the level of such payments in relation to the operating performance of the FHLB, (3) the impact of legislative and regulatory changes on institutions and, accordingly, the customer base of the FHLB, and (4) the liquidity position of the FHLB.
	The FHLB of Seattle announced that it had a risk-based capital deficiency under the regulations of the Federal Housing Finance Agency (the FHFA), its primary regulator, as of December 31, 2008, and that it would suspend future dividends and the repurchase and redemption of outstanding common stock. The FHLB of Seattle announced on September 7, 2012 that the FHFA now considers the FHLB of Seattle to be adequately capitalized. Dividends on, or repurchases of, the FHLB of Seattle stock continue to require the consent of the FHFA. The FHFA subsequently approved the repurchase of portions of FHLB of Seattle stock, and as of September 30, 2013, the FHLB had repurchased $1.7 million of the Banks' stock, including $333,000 during the quarter ending September 30, 2013. The FHLB of Seattle announced on October 28, 2013 that, based on third quarter 2013 financial results, its Board of Directors had declared a $0.025 per share cash dividend. It is the second dividend in a number of years and represents a significant milestone in FHLB of Seattle's return to normal operations. The Company will continue to monitor the financial condition of the FHLB as it relates to, among other things, the recoverability of Banner's investment. Based on the above, the Company has determined there is not any impairment on the FHLB stock investment as of September 30, 2013.

LOANS_RECEIVABLE_AND_THE_ALLOW

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES	9 Months Ended
	Sep. 30, 2013
Receivables [Abstract]	'
LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES	'
	LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES
	We originate residential mortgage loans for both portfolio investment and sale in the secondary market.  At the time of origination, mortgage loans are designated as held for sale or held for investment.  Loans held for sale are stated at the lower of cost or estimated market value determined on an aggregate basis.  Net unrealized losses on loans held for sale are recognized through a valuation allowance by charges to income.  The Banks also originate construction, land and land development, commercial and multifamily real estate, commercial business, agricultural business and consumer loans for portfolio investment.  Loans receivable not designated as held for sale are recorded at the principal amount outstanding, net of allowance for loan losses, deferred fees and origination costs, discounts and premiums.  Premiums, discounts and deferred loan fees and origination costs are amortized to maturity using the level-yield methodology.
	Interest is accrued as earned unless management doubts the collectability of the loan or the unpaid interest.  Interest accruals are generally discontinued when loans become 90 days past due for scheduled interest payments.  All previously accrued but uncollected interest is deducted from interest income upon transfer to nonaccrual status.  Future collection of interest is included in interest income based upon an assessment of the likelihood that the loans will be repaid or recovered.  A loan may be put on nonaccrual status sooner than this policy would dictate if, in management’s judgment, the loan may be uncollectable.  Such interest is then recognized as income only if it is ultimately collected.
	Loans receivable, including loans held for sale, at September 30, 2013, December 31, 2012 and September 30, 2012 are summarized as follows (dollars in thousands):
		September 30, 2013							December 31, 2012							September 30, 2012
		Amount				Percent			Amount				Percent			Amount				Percent
						of Total							of Total							of Total
	Commercial real estate:
	Owner-occupied	$	508,341			15.5	%		$	489,581			15.1	%		$	477,871			14.9	%
	Investment properties	613,757				18.8			583,641				18			604,265				18.8
	Multifamily real estate	133,770				4.1			137,504				4.3			138,716				4.3
	Commercial construction	18,730				0.6			30,229				0.9			28,598				0.9
	Multifamily construction	33,888				1			22,581				0.7			14,502				0.5
	One- to four-family construction	194,187				5.9			160,815				5			163,521				5.1
	Land and land development:
	Residential	75,576				2.3			77,010				2.4			79,932				2.5
	Commercial	11,231				0.3			13,982				0.4			14,242				0.4
	Commercial business	635,658				19.4			618,049				19.1			603,606				18.8
	Agricultural business, including secured by farmland	223,187				6.8			230,031				7.1			219,084				6.8
	One- to four-family residential	543,263				16.6			581,670				18			594,413				18.5
	Consumer:
	Consumer secured by one- to four-family	170,019				5.2	%		170,123				5.3	%		171,380				5.3	%
	Consumer-other	113,829				3.5			120,498				3.7			103,393				3.2
	Total loans outstanding	3,275,436				100	%		3,235,714				100	%		3,213,523				100	%
	Less allowance for loan losses	(76,657		)					(77,491		)					(78,783		)
	Net loans	$	3,198,779						$	3,158,223						$	3,134,740
	Loan amounts are net of unearned loan fees in excess of unamortized costs of $8.8 million as of September 30, 2013, $8.9 million as of December 31, 2012 and $9.0 million as of September 30, 2012.
	The Company’s total loans by geographic concentration at September 30, 2013 were as follows (dollars in thousands):
		Washington				Oregon				Idaho				Other				Total
	Commercial real estate:
	Owner-occupied	$	384,706			$	58,468			$	59,077			$	6,090			$	508,341
	Investment properties	467,161				90,518				50,464				5,614				613,757
	Multifamily real estate	107,744				15,998				9,828				200				133,770
	Commercial construction	9,918				3,942				377				4,493				18,730
	Multifamily construction	22,141				11,747				—				—				33,888
	One- to four-family construction	108,011				84,749				1,427				—				194,187
	Land and land development:
	Residential	45,281				28,973				1,322				—				75,576
	Commercial	5,915				3,379				1,937				—				11,231
	Commercial business	392,741				76,314				62,428				104,175				635,658
	Agricultural business, including secured by farmland	111,795				52,670				58,722				—				223,187
	One- to four-family residential	337,369				180,047				23,846				2,001				543,263
	Consumer:
	Consumer secured by one- to four-family	112,130				44,049				13,195				645				170,019
	Consumer—other	75,307				32,942				5,565				15				113,829
	Total loans	$	2,180,219			$	683,796			$	288,188			$	123,233			$	3,275,436
	Percent of total loans	66.6		%		20.9		%		8.8		%		3.7		%		100		%
	The geographic concentrations of the Company’s land and land development loans by state at September 30, 2013 were as follows (dollars in thousands):
		Washington				Oregon				Idaho				Total
	Residential:
	Acquisition and development	$	17,094			$	9,901			$	1,124			$	28,119
	Improved land and lots	23,201				18,662				198				42,061
	Unimproved land	4,986				410				—				5,396
	Commercial:
	Acquisition and development	—				—				484				484
	Improved land and lots	3,213				525				507				4,245
	Unimproved land	2,702				2,854				946				6,502
	Total land and land development loans	$	51,196			$	32,352			$	3,259			$	86,807
	Percent of land and land development loans	59		%		37.3		%		3.7		%		100		%
	The Company originates both adjustable- and fixed-rate loans.  The maturity and repricing composition of those loans, less undisbursed amounts and deferred fees and origination costs, at September 30, 2013, December 31, 2012 and September 30, 2012 were as follows (in thousands):
		September 30, 2013				December 31, 2012				September 30, 2012
	Fixed-rate (term to maturity):
	Maturing in one year or less	$	134,632			$	183,004			$	185,379
Maturing after one year through three years	139,878				171,724				168,307
Maturing after three years through five years	205,830				173,251				168,348
Maturing after five years through ten years	208,625				167,858				165,973
Maturing after ten years	406,715				473,927				456,758
Total fixed-rate loans	1,095,680				1,169,764				1,144,765
Adjustable-rate (term to rate adjustment):
Maturing or repricing in one year or less	1,290,793				1,260,472				1,283,783
Maturing or repricing after one year through three years	274,789				275,223				291,778
Maturing or repricing after three years through five years	527,999				467,895				441,773
Maturing or repricing after five years through ten years	84,399				60,316				45,951
Maturing or repricing after ten years	1,776				2,044				5,473
Total adjustable-rate loans	2,179,756				2,065,950				2,068,758
Total loans	$	3,275,436			$	3,235,714			$	3,213,523
The adjustable-rate loans have interest rate adjustment limitations and are generally indexed to various prime (The Wall Street Journal) or London Inter-bank Offering Rate (LIBOR) rates, One to Five Year Constant Maturity Treasury Indices or FHLB advance rates.  Future market factors may affect the correlation of the interest rate adjustment with the rates the Banks pay on the short-term deposits that were primarily utilized to fund these loans.
Impaired Loans and the Allowance for Loan Losses.  A loan is considered impaired when, based on current information and circumstances, the Company determines it is probable that it will be unable to collect all amounts due according to the contractual terms of the loan agreement, including scheduled interest payments.  Impaired loans are comprised of loans on nonaccrual, troubled debt restructurings (TDRs) that are performing under their restructured terms, and loans that are 90 days or more past due, but are still on accrual.
Troubled Debt Restructures. Some of the Company’s loans are reported as TDRs.  Loans are reported as TDRs when the bank grants one or more concessions to a borrower experiencing financial difficulties that it would not otherwise consider.  Examples of such concessions include forgiveness of principal or accrued interest, extending the maturity date(s) or providing a lower interest rate than would be normally available for a transaction of similar risk.  Our TDRs have generally not involved forgiveness of amounts due, but almost always include a modification of multiple factors; the most common combination includes interest rate, payment amount and maturity date. As a result of these concessions, restructured loans are impaired as the bank will not collect all amounts due, both principal and interest, in accordance with the terms of the original loan agreement.  Loans identified as TDRs are accounted for in accordance with the Company's impaired loan accounting policies.
The amount of impaired loans and the related allocated reserve for loan losses as of September 30, 2013 and December 31, 2012 were as follows (in thousands):
	September 30, 2013								December 31, 2012
	Loan Amount				Allocated Reserves				Loan Amount				Allocated
													Reserves
Impaired loans:
Nonaccrual loans
Commercial real estate:
Owner-occupied	$	2,798			$	38			$	4,105			$	618
Investment properties	1,965				97				2,474				56
Multifamily real estate	333				59				—				—
One- to four-family construction	910				81				1,565				326
Land and land development:
Residential	750				—				2,061				323
Commercial	—				—				46				12
Commercial business	963				151				4,750				344
One- to four-family residential	10,717				307				12,964				520
Consumer:
Consumer secured by one- to four-family	940				16				2,073				41
Consumer—other	693				3				1,323				16
Total nonaccrual loans	20,069				752				31,361				2,256
Past due and still accruing	4,793				409				3,029				62
Troubled debt restructuring on accrual status:
Commercial real estate:
Owner-occupied	186				4				188				4
Investment properties	5,456				455				7,034				664
Multifamily real estate	5,810				1,256				7,131				1,665
One- to four-family construction	7,285				1,070				6,726				1,115
Land and land development:
Residential	5,230				1,112				4,842				667
Commercial business	1,115				203				2,975				610
One- to four-family residential	24,469				1,374				27,540				1,228
Consumer:
Consumer secured by one- to four-family	411				29				538				29
Consumer—other	468				56				488				38
Total troubled debt restructurings on accrual status	50,430				5,559				57,462				6,020
Total impaired loans	$	75,292			$	6,720			$	91,852			$	8,338
As of September 30, 2013 and December 31, 2012, the Company had commitments to advance funds up to an additional amount of $1.7 million and $1.6 million, respectively, related to TDRs.
The following tables provide additional information on impaired loans with and without specific allowance reserves at or for the nine months ended September 30, 2013 and at or for the year ended December 31, 2012 (in thousands):
	At or For the Nine Months Ended September 30, 2013
	Recorded				Unpaid				Related				Average				Interest
	Investment				Principal				Allowance				Recorded				Income
					Balance								Investment				Recognized
Without a specific allowance reserve (1)
Commercial real estate:
Owner-occupied	$	803			$	1,003			$	38			$	879			$	—
Investment properties	466				1,011				97				684				—
Multifamily real estate	2,034				2,034				359				2,053				58
One- to four-family construction	561				737				81				578				—
Land and land development:
Residential	242				243				87				246				13
Commercial business	2,697				3,238				165				3,083				1
One- to four-family residential	7,538				8,024				49				7,681				37
Consumer:
Consumer secured by one- to four-family	917				1,062				17				940				—
Consumer—other	508				658				3				532				1
	15,766				18,010				896				16,676				110
With a specific allowance reserve (2)
Commercial real estate:
Owner-occupied	$	2,182			$	2,182			$	4			$	2,203			$	9
Investment properties	6,955				7,941				455				7,598				242
Multifamily real estate	5,810				5,810				1,256				5,689				218
One- to-four family construction	7,634				7,634				1,070				6,326				180
Land and land development:
Residential	5,980				6,316				1,112				6,326				198
Commercial business	1,115				1,115				203				1,147				39
One- to four-family residential	28,711				29,778				1,639				29,893				786
Consumer:
Consumer secured by one- to four-family	457				457				29				530				19
Consumer—other	682				698				56				698				27
	59,526				61,931				5,824				60,410				1,718
Total
Commercial real estate:
Owner-occupied	$	2,985			$	3,185			$	42			$	3,082			$	9
Investment properties	7,421				8,952				552				8,282				242
Multifamily real estate	7,844				7,844				1,615				7,742				276
One- to four-family construction	8,195				8,371				1,151				6,904				180
Land and land development:
Residential	6,222				6,559				1,199				6,572				211
Commercial business	3,812				4,353				368				4,230				40
One- to four-family residential	36,249				37,802				1,688				37,574				823
Consumer:
Consumer secured by one- to four-family	1,374				1,519				46				1,470				19
Consumer—other	1,190				1,356				59				1,230				28
	$	75,292			$	79,941			$	6,720			$	77,086			$	1,828
	At or For the Year Ended December 31, 2012
	Recorded				Unpaid				Related				Average				Interest
	Investment				Principal				Allowance				Recorded				Income
					Balance								Investment				Recognized
Without a specific allowance reserve (1)
Commercial real estate:
Owner-occupied	$	1,300			$	1,551			$	103			$	1,470			$	—
Investment properties	624				861				90				735				17
Multifamily real estate	2,131				2,131				392				2,136				113
One- to four-family construction	4,460				4,460				571				3,335				145
Land and land development:
Residential	2,122				2,587				404				2,948				73
Commercial	46				46				12				46				—
Commercial business	4,352				4,970				821				2,121				154
One- to four-family residential	10,886				12,004				150				11,458				44
Consumer:
Consumer secured by one- to four-family	1,641				2,335				54				1,966				14
Consumer—other	1,167				1,275				16				1,297				5
	28,729				32,220				2,613				27,512				565
With a specific allowance reserve (2)
Commercial real estate:
Owner-occupied	$	2,993			$	2,993			$	518			$	3,113			$	—
Investment properties	8,884				10,120				630				9,449				229
Multifamily real estate	5,000				5,000				1,273				5,000				295
One- to-four family construction	3,831				3,831				870				3,611				194
Land and land development:
Residential	4,782				4,782				586				5,039				185
Commercial	—				—				—				—				—
Commercial business	3,373				3,734				134				3,931				6
One- to four-family residential	32,494				33,672				1,656				33,100				1,259
Consumer:
Consumer secured by one- to four-family	1,042				1,140				26				1,074				15
Consumer—other	724				740				32				754				—
	63,123				66,012				5,725				65,071				2,183
Total
Commercial real estate
Owner-occupied	$	4,293			$	4,544			$	621			$	4,583			$	—
Investment properties	9,508				10,981				720				10,184				246
Multifamily real estate	7,131				7,131				1,665				7,136				408
One- to four-family construction	8,291				8,291				1,441				6,946				339
Land and land development
Residential	6,904				7,369				990				7,987				258
Commercial	46				46				12				46				—
Commercial business	7,725				8,704				955				6,052				160
One- to four-family residential	43,380				45,676				1,806				44,558				1,303
Consumer
Consumer secured by one- to four-family	2,683				3,475				80				3,040				29
Consumer—other	1,891				2,015				48				2,051				5
	$	91,852			$	98,232			$	8,338			$	92,583			$	2,748
(1)	Loans without a specific allowance reserve have not been individually evaluated for impairment, but have been included in pools of homogeneous loans for evaluation of related allowance reserves.
(2)	Loans with a specific allowance reserve have been individually evaluated for impairment using either a discounted cash flow analysis or, for collateral dependent loans, current appraisals to establish realizable value.  These analyses may identify a specific impairment amount needed or may conclude that no reserve is needed.  Any specific impairment that is identified is included in the category’s Related Allowance column.
The following tables present TDRs at September 30, 2013 and December 31, 2012 (in thousands):
	September 30, 2013
	Accrual				Nonaccrual				Total
	Status				Status				Modifications
Commercial real estate:
Owner-occupied	$	186			$	620			$	806
Investment properties	5,456				1,563				7,019
Multifamily real estate	5,810				—				5,810
One- to four-family construction	7,285				712				7,997
Land and land development:
Residential	5,230				—				5,230
Commercial business	1,115				322				1,437
One- to four-family residential	24,469				2,146				26,615
Consumer:
Consumer secured by one- to four-family	411				254				665
Consumer—other	468				129				597
	$	50,430			$	5,746			$	56,176
	December 31, 2012
	Accrual				Nonaccrual				Total
	Status				Status				Modifications
Commercial real estate:
Owner-occupied	$	188			$	1,551			$	1,739
Investment properties	7,034				1,514				8,548
Multifamily real estate	7,131				—				7,131
One- to four-family construction	6,726				1,044				7,770
Land and land development:
Residential	4,842				15				4,857
Commercial business	2,975				247				3,222
One- to four-family residential	27,540				2,703				30,243
Consumer:
Consumer secured by one- to four-family	538				496				1,034
Consumer—other	488				396				884
	$	57,462			$	7,966			$	65,428
The following tables present new TDRs that occurred during the three and nine months ended September 30, 2013 and 2012 (dollars in thousands):
	Three Months Ended September 30, 2013											Nine Months Ended September 30, 2013
	Number of			Pre-				Post-				Number of			Pre-				Post-
	Contracts			modification Outstanding				modification				Contracts			modification Outstanding				modification Outstanding
				Recorded				Outstanding							Recorded				Recorded
				Investment				Recorded							Investment				Investment
								Investment
Recorded Investment (1) (2)
Multifamily real estate	—			$	—			$	—			1			$	376			$	376
One- to four-family construction	3			773				773				11			3,008				3,008
Land and land development—residential	2			1,029				1,029				2			1,029				1,029
	5			$	1,802			$	1,802			24			$	7,336			$	7,336
	Three Months Ended September 30, 2012											Nine Months Ended September 30, 2012
	Number of			Pre-				Post-				Number of			Pre-				Post-
	Contracts			modification Outstanding				modification				Contracts			modification Outstanding				modification Outstanding
				Recorded				Outstanding							Recorded				Recorded
				Investment				Recorded							Investment				Investment
								Investment
Recorded Investment (1) (2)
Commercial real estate
Owner-occupied	1			$	946			$	946			1			$	946			$	946
Investment properties	3			2,784				2,784				6			3,708				3,708
Multifamily real estate	—			—				—				2			5,054				5,054
One- to four-family construction	11			1,711				1,711				19			4,504				4,504
Land and land development—residential	—			—				—				6			2,059				2,059
Commercial business	3			94				94				9			1,309				1,309
One- to four-family residential	1			153				153				18			9,182				9,182
Consumer secured by one- to	—			—				—				1			151				151
four-family
Consumer-other	—			—				—				3			220				220
	19			$	5,688			$	5,688			65			$	27,133			$	27,133
(1)	Since most loans were already considered classified and/or on nonaccrual status prior to restructuring, the modifications did not have a material effect on the Company’s determination of the allowance for loan losses.
(2)	The majority of these modifications do not fit into one separate type, such as rate, term, amount, interest-only or payment, but instead are a combination of multiple types of modifications; therefore, they are disclosed in aggregate.
The following table presents TDRs which incurred a payment default within twelve months of the restructure date during the three-month and nine-month periods ended September 30, 2013 and 2012 (in thousands).  A default on a TDR results in either a transfer to nonaccrual status or a partial charge-off:
	Three Months Ended								Nine Months Ended
	30-Sep								30-Sep
	2013				2012				2013				2012
Commercial real estate:
Owner occupied	$	—			$	—			$	—			$	1,358
Commercial business	137				—				137				—
One- to four-family residential	—				—				—				559
Total	$	137			$	—			$	137			$	1,917
Credit Quality Indicators:  To appropriately and effectively manage the ongoing credit quality of the Company’s loan portfolio, management has implemented a risk-rating or loan grading system for its loans.  The system is a tool to evaluate portfolio asset quality throughout each applicable loan’s life as an asset of the Company.  Generally, loans and leases are risk rated on an aggregate borrower/relationship basis with individual loans sharing similar ratings.  There are some instances when specific situations relating to individual loans will provide the basis for different risk ratings within the aggregate relationship.  Loans are graded on a scale of 1 to 9.  A description of the general characteristics of these categories is shown below:
Overall Risk Rating Definitions:  Risk-ratings contain both qualitative and quantitative measurements and take into account the financial strength of a borrower and the structure of the loan or lease.  Consequently, the definitions are to be applied in the context of each lending transaction and judgment must also be used to determine the appropriate risk rating, as it is not unusual for a loan or lease to exhibit characteristics of more than one risk-rating category.  Consideration for the final rating is centered in the borrower’s ability to repay, in a timely fashion, both principal and interest.  There were no material changes in the risk-rating or loan grading system in the nine months ended September 30, 2013.
Risk Rating 1: Exceptional
A credit supported by exceptional financial strength, stability, and liquidity.  The risk rating of 1 is reserved for the Company’s top quality loans, generally reserved for investment grade credits underwritten to the standards of institutional credit providers.
Risk Rating 2: Excellent
A credit supported by excellent financial strength, stability and liquidity.  The risk rating of 2 is reserved for very strong and highly stable customers with ready access to alternative financing sources.
Risk Rating 3: Strong
A credit supported by good overall financial strength and stability.  Collateral margins are strong; cash flow is stable although susceptible to cyclical market changes.
Risk Rating 4: Acceptable
A credit supported by the borrower’s adequate financial strength and stability.  Assets and cash flow are reasonably sound and provide for orderly debt reduction.  Access to alternative financing sources will be more difficult to obtain.
Risk Rating 5: Watch
A credit with the characteristics of an acceptable credit which requires, however, more than the normal level of supervision and warrants formal quarterly management reporting.  Credits in this category are not yet criticized or classified, but due to adverse events or aspects of underwriting require closer than normal supervision. Generally, credits should be watch credits in most cases for six months or less as the impact of stress factors are analyzed.
Risk Rating 6: Special Mention
A credit with potential weaknesses that deserves management’s close attention is risk rated a 6.  If left uncorrected, these potential weaknesses will result in deterioration in the capacity to repay debt.  A key distinction between Special Mention and Substandard is that in a Special Mention credit, there are identified weaknesses that pose potential risk(s) to the repayment sources, versus well defined weaknesses that pose risk(s) to the repayment sources.  Assets in this category are expected to be in this category no more than 9-12 months as the potential weaknesses in the credit are resolved.
Risk Rating 7: Substandard
A credit with well defined weaknesses that jeopardize the ability to repay in full is risk rated a 7.  These credits are inadequately protected by either the sound net worth and payment capacity of the borrower or the value of pledged collateral.  These are credits with a distinct possibility of loss.  Loans headed for foreclosure and/or legal action due to deterioration are rated 7 or worse.
Risk Rating 8: Doubtful
A credit with an extremely high probability of loss is risk rated 8.  These credits have all the same critical weaknesses that are found in a substandard loan; however, the weaknesses are elevated to the point that based upon current information, collection or liquidation in full is improbable.  While some loss on doubtful credits is expected, pending events may strengthen a credit making the amount and timing of any loss indeterminable.  In these situations taking the loss is inappropriate until it is clear that the pending event has failed to strengthen the credit and improve the capacity to repay debt.
Risk Rating 9: Loss
A credit that is considered to be currently uncollectible or of such little value that it is no longer a viable Bank asset is risk rated 9.  Losses should be taken in the accounting period in which the credit is determined to be uncollectible.  Taking a loss does not mean that a credit has absolutely no recovery or salvage value but, rather, it is not practical or desirable to defer writing off the credit, even though partial recovery may occur in the future.
The following table shows the Company’s portfolio of risk-rated loans and non-risk-rated loans by grade or other characteristics as of September 30, 2013 and December 31, 2012 (in thousands):
	September 30, 2013
	Commercial				Multifamily				Construction and Land				Commercial Business				Agricultural				One- to Four-			Consumer			Total Loans
	Real Estate				Real Estate												Business				Family Residential
Risk-rated loans:
Pass (Risk Ratings 1-5) (1)	$	1,084,540			$	126,360			$	313,108			$	611,668			$	212,012			$	527,655		$	279,908		$	3,155,251
Special mention	6,033				—				481				5,802				621				—			139			13,076
Substandard	30,981				7,410				20,023				18,179				10,554				15,608			3,801			106,556
Doubtful	544				—				—				9				—				—			—			553
Loss	—				—				—				—				—				—			—			—
Total loans	$	1,122,098			$	133,770			$	333,612			$	635,658			$	223,187			$	543,263		$	283,848		$	3,275,436
Performing loans	$	1,117,336			$	131,736			$	331,710			$	634,671			$	223,187			$	529,772		$	282,162		$	3,250,574
Non-performing loans (2)	4,762				2,034				1,902				987				—				13,491			1,686			24,862
Total loans	$	1,122,098			$	133,770			$	333,612			$	635,658			$	223,187			$	543,263		$	283,848		$	3,275,436
	December 31, 2012
	Commercial				Multifamily				Construction and Land				Commercial Business				Agricultural Business				One- to Four-Family Residential			Consumer			Total Loans
	Real Estate				Real Estate
Risk-rated loans:
Pass (Risk Ratings 1-5) (1)	$	1,016,964			$	130,815			$	274,407			$	581,846			$	228,304			$	560,781		$	284,816		$	3,077,933
Special mention	14,332				—				3,146				7,905				713				438			148			26,682
Substandard	41,382				6,689				27,064				28,287				1,014				20,451			5,657			130,544
Doubtful	544				—				—				11				—				—			—			555
Loss	—				—				—				—				—				—			—			—
Total loans	$	1,073,222			$	137,504			$	304,617			$	618,049			$	230,031			$	581,670		$	290,621		$	3,235,714
Performing loans	$	1,066,643			$	137,504			$	300,945			$	613,299			$	230,031			$	565,829		$	287,073		$	3,201,324
Non-performing loans (2)	6,579				—				3,672				4,750				—				15,841			3,548			34,390
Total loans	$	1,073,222			$	137,504			$	304,617			$	618,049			$	230,031			$	581,670		$	290,621		$	3,235,714
(1)	The Pass category includes some performing loans that are part of homogenous pools which are not individually risk-rated.  This includes all consumer loans, all one- to four-family residential loans and, as of September 30, 2013 and December 31, 2012, in the commercial business category, $81 million and $77 million, respectively, of credit-scored small business loans.  As loans in these pools become non-performing, they are individually risk-rated.
(2)	Non-performing loans include non-accrual loans and loans past due greater than 90 days and on accrual status.
The following tables provide additional detail on the age analysis of the Company’s past due loans as of September 30, 2013 and December 31, 2012 (in thousands):
	September 30, 2013
	30-59 Days				60-89 Days				90 Days or More Past Due				Total Past				Current				Total Loans			Loans 90 Days or More Past Due and Accruing
	Past Due				Past Due								Due
Commercial real estate:
Owner-occupied	$	2,374			$	1,675			$	1,386			$	5,435			$	502,906			$	508,341		$	—
Investment properties	92				—				1,499				1,591				612,166				613,757			—
Multifamily real estate	—				—				1,701				1,701				132,069				133,770			1,701
Commercial construction	—				—				—				—				18,730				18,730			—
Multifamily construction	—				—				—				—				33,888				33,888			—
One-to-four-family construction	—				—				910				910				193,277				194,187			—
Land and land development:
Residential	—				—				993				993				74,583				75,576			242
Commercial	—				—				—				—				11,231				11,231			—
Commercial business	421				57				516				994				634,664				635,658			24
Agricultural business, including secured by farmland	—				108				—				108				223,079				223,187			—
One- to four-family residential	1,042				5,129				7,558				13,729				529,534				543,263			2,774
Consumer:
Consumer secured by one- to four-family	459				749				283				1,491				168,528				170,019			23
Consumer—other	319				58				475				852				112,977				113,829			29
Total	$	4,707			$	7,776			$	15,321			$	27,804			$	3,247,632			$	3,275,436		$	4,793
	31-Dec-12
	30-59 Days				60-89 Days				90 Days or More Past Due				Total Past				Current				Total Loans			Loans 90 Days or More Past Due and Accruing
	Past Due				Past Due								Due
Commercial real estate:
Owner-occupied	$	1,693			$	—			$	1,371			$	3,064			$	486,517			$	489,581		$	—
Investment properties	743				—				1,431				2,174				581,467				583,641			—
Multifamily real estate	—				—				—				—				137,504				137,504			—
Commercial construction	—				—				—				—				30,229				30,229			—
Multifamily construction	—				—				—				—				22,581				22,581			—
One-to-four-family construction	611				—				—				611				160,204				160,815			—
Land and land development:
Residential	—				—				2,047				2,047				74,963				77,010			—
Commercial	2,083				—				45				2,128				11,854				13,982			—
Commercial business	1,849				49				842				2,740				615,309				618,049			—
Agricultural business, including secured by farmland	—				—				—				—				230,031				230,031			—
One-to four-family residential	1,376				3,468				11,488				16,332				565,338				581,670			2,877
Consumer:
Consumer secured by one- to four-family	699				74				1,204				1,977				168,146				170,123			—
Consumer—other	816				673				839				2,328				118,170				120,498			152
Total	$	9,870			$	4,264			$	19,267			$	33,401			$	3,202,313			$	3,235,714		$	3,029
The following tables provide additional information on the allowance for loan losses and loan balances individually and collectively evaluated for impairment at or for the three months and nine months ended September 30, 2013 and 2012 (in thousands):
	For the Three Months Ended September 30, 2013
	Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and Unallocated			Total
	Real Estate												Business				business				Family
Allowance for loan losses:
Beginning balance	$	14,898			$	4,973			$	16,625			$	10,806			$	3,805			$	14,974		$	1,011		$	9,761		$	76,853
Provision for loan losses	1,239				310				(464		)		(223		)		(411		)		(1,599		)	43			1,105			—
Recoveries	331				—				507				339				265				19			68			—			1,529
Charge-offs	(850		)		—				—				(246		)		(248		)		(207		)	(174		)	—			(1,725		)
Ending balance	$	15,618			$	5,283			$	16,668			$	10,676			$	3,411			$	13,187		$	948		$	10,866		$	76,657
	For the Nine Months Ended September 30, 2013
	Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and Unallocated			Total
	Real Estate												Business				business				Family
Allowance for loan losses:
Beginning balance	$	15,322			$	4,506			$	14,991			$	9,957			$	2,295			$	16,475		$	1,348		$	12,597		$	77,491
Provision for loan losses	(383		)		777				1,586				901				752				(2,166		)	264			(1,731		)	—
Recoveries	2,295				—				945				1,391				612				138			287			—			5,668
Charge-offs	(1,616		)		—				(854		)		(1,573		)		(248		)		(1,260		)	(951		)	—			(6,502		)
Ending balance	$	15,618			$	5,283			$	16,668			$	10,676			$	3,411			$	13,187		$	948		$	10,866		$	76,657
	At September 30, 2013
	Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and Unallocated			Total
	Real Estate												Business				business				Family
Allowance individually evaluated for impairment	$	459			$	1,256			$	2,182			$	202			$	—			$	1,639		$	85		$	—		$	5,823
Allowance collectively evaluated for impairment	15,159				4,027				14,486				10,474				3,411				11,548			863			10,866			70,834
Total allowance for loan losses	$	15,618			$	5,283			$	16,668			$	10,676			$	3,411			$	13,187		$	948		$	10,866		$	76,657
	At September 30, 2013
	Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and Unallocated			Total
	Real Estate												Business				business				Family
Loan balances:
Loans individually evaluated for impairment	$	9,137			$	5,810			$	13,613			$	1,115			$	—			$	28,711		$	1,139		$	—		$	59,525
Loans collectively evaluated for impairment	1,112,961				127,960				319,999				634,543				223,187				514,552			282,709			—			3,215,911
Total loans	$	1,122,098			$	133,770			$	333,612			$	635,658			$	223,187			$	543,263		$	283,848		$	—		$	3,275,436
	For the Three Months Ended September 30, 2012
	Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and			Total
	Real Estate												Business				business				Family						Unallocated
Allowance for loan losses:
Beginning balance	$	16,834			$	5,108			$	16,974			$	12,352			$	1,294			$	14,213		$	1,365		$	12,081		$	80,221
Provision for loan losses	(263		)		(367		)		(628		)		(118		)		1,044				2,614			814			(96		)	3,000
Recoveries	130				—				35				154				30				34			91			—			474
Charge-offs	(924		)		—				(617		)		(1,687		)		(26		)		(709		)	(949		)	—			(4,912		)
Ending balance	$	15,777			$	4,741			$	15,764			$	10,701			$	2,342			$	16,152		$	1,321		$	11,985		$	78,783
	At For the Nine Months Ended September 30, 2012
	Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and			Total
	Real Estate												Business				business				Family						Unallocated
Allowance for loan losses:
Beginning balance	$	16,457			$	3,952			$	18,184			$	15,159			$	1,548			$	12,299		$	1,253		$	14,060		$	82,912
Provision for loan losses	2,065				789				1,369				(97		)		1,050				7,021			1,878			(2,075		)	12,000
Recoveries	762				—				1,455				1,030				45				412			422			—			4,126
Charge-offs	(3,507		)		—				(5,244		)		(5,391		)		(301		)		(3,580		)	(2,232		)	—			(20,255		)
Ending balance	$	15,777			$	4,741			$	15,764			$	10,701			$	2,342			$	16,152		$	1,321		$	11,985		$	78,783
	At September 30, 2012
	Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and			Total
	Real Estate												Business				business				Family						Unallocated
Allowance individually evaluated for impairment	$	955			$	1,414			$	1,439			$	383			$	—			$	1,139		$	33		$	—		$	5,363
Allowance collectively evaluated for impairment	14,822				3,327				14,325				10,318				2,342				15,013			1,288			11,985			73,420
Total allowance for loan losses	$	15,777			$	4,741			$	15,764			$	10,701			$	2,342			$	16,152		$	1,321		$	11,985		$	78,783
	At September 30, 2012
									Construction and Land												One- to Four-						Commitments and Unallocated
	Commercial Real Estate				Multifamily								Commercial Business				Agricultural business				Family			Consumer						Total
Loan balances:
Loans individually evaluated for impairment	$	11,867			$	5,000			$	14,020			$	6,115			$	—			$	20,719		$	1,026		$	—		$	58,747
Loans collectively evaluated for  impairment	1,070,269				133,716				286,775				597,491				219,084				573,694			273,747			—			3,154,776
Total loans	$	1,082,136			$	138,716			$	300,795			$	603,606			$	219,084			$	594,413		$	274,773		$	—		$	3,213,523

REAL_ESTATE_OWNED_NET

REAL ESTATE OWNED, NET	9 Months Ended
	Sep. 30, 2013
Real Estate [Abstract]	'
REAL ESTATE OWNED, NET	'
	REAL ESTATE OWNED, NET
	The following table presents the changes in REO, net of valuation adjustments, for the three and nine months ended September 30, 2013 and 2012 (in thousands):
		Three Months Ended						Nine Months Ended
		30-Sep						30-Sep
		2013			2012			2013			2012
	Balance, beginning of the period	$	6,714		$	25,816		$	15,778		$	42,965
	Additions from loan foreclosures	963			3,111			2,467			11,598
	Additions from capitalized costs	297			97			344			231
	Dispositions of REO	(3,970		)	(10,368		)	(15,758		)	(33,608		)
	Gain on sale of REO	1,005			2,955			2,477			3,621
	Valuation adjustments in the period	(191		)	(1,255		)	(490		)	(4,451		)
	Balance, end of the period	$	4,818		$	20,356		$	4,818		$	20,356
	The following table shows REO by type and geographic location by state as of September 30, 2013 (in thousands):
		Washington			Oregon			Idaho			Total
	Commercial real estate	$	—		$	—		$	199		$	199
	Land development—residential	1,179			1,819			69			3,067
	One- to four-family real estate	1,197			355			—			1,552
	Balance, end of period	$	2,376		$	2,174		$	268		$	4,818
	REO properties are recorded at the lower of the estimated fair value of the property, less expected selling costs, or the carrying value of the defaulted loan, establishing a new cost basis.  Subsequently, REO properties are carried at the lower of the new cost basis or updated fair market values, based on updated appraisals of the underlying properties, as received.  Valuation allowances on the carrying value of REO may be recognized based on updated appraisals or on management’s authorization to reduce the selling price of a property.

INTANGIBLE_ASSETS_AND_MORTGAGE

INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS	9 Months Ended
	Sep. 30, 2013
Other Intangible Assets and Mortgage Servicing Rights [Abstract]	'
INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS	'
	INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS
	Intangible Assets:  At September 30, 2013, intangible assets consisted primarily of core deposit intangibles (CDI), which are amounts recorded in business combinations or deposit purchase transactions related to the value of transaction-related deposits and the value of the customer relationships associated with the deposits.
	The Company amortizes CDI over their estimated useful life and reviews them at least annually for events or circumstances that could impact their recoverability.  The CDI assets shown in the table below represent the value ascribed to the long-term deposit relationships acquired in three separate bank acquisitions during 2007 and a single branch acquisition in the quarter ended September 30, 2013.  These intangible assets are being amortized using an accelerated method over estimated useful lives of three to eight years.  The CDI assets are not estimated to have a significant residual value.  Intangible assets are amortized over their useful lives and are also reviewed for impairment.
	The following table summarizes the changes in the Company’s core deposit intangibles and other intangibles for the nine months ended September 30, 2013 and the year ended December 31, 2012 (in thousands):
		Core Deposit Intangibles
	Balance, December 31, 2012	$	4,230
	Additions through acquisitions	160
	Amortization	(1,453		)
	Balance, September 30, 2013	$	2,937
		Core Deposit Intangibles
	Balance, December 31, 2011	$	6,322
	Amortization	(2,092		)
	Balance, December 31, 2012	$	4,230
	The following table presents the future estimated annual amortization expense with respect to intangibles as of December 31, 2012 (in thousands):
	Year Ended		Core Deposit
			Intangibles
	December 31, 2013		$	1,941
	December 31, 2014		1,800
	December 31, 2015		640
	December 31, 2016		$	9
			$	4,390
	Mortgage Servicing Rights:  Mortgage servicing rights are reported in other assets. Mortgage servicing rights are initially recorded at fair value and are amortized in proportion to, and over the period of, the estimated future net servicing income of the underlying financial assets.  Mortgage servicing rights are subsequently evaluated for impairment based upon the fair value of the rights compared to the amortized cost (remaining unamortized initial fair value).  If the fair value is less than the amortized cost, a valuation allowance is created through an impairment charge to servicing fee income.  The valuation allowance is subsequently adjusted to reflect changes in the measurement of impairment after the initial measurement of impairment. However, if the fair value is greater than the amortized cost, the amount above the amortized cost is not recognized in the carrying value.  During the nine months ended September 30, 2013 and 2012, the Company did not record an impairment charge.  However, during the quarter and nine months ended September 30, 2013, the Company recorded a reduction in its valuation allowance for previously recognized impairment charges of $400,000 and $1.0 million, respectively. Loans serviced for others totaled $1.086 billion, $918 million and $850 million at September 30, 2013, December 31, 2012 and September 30, 2012, respectively.  Custodial accounts maintained in connection with this servicing totaled $3.6 million, $4.7 million and $7.3 million at September 30, 2013, December 31, 2012, and September 30, 2012, respectively.
	An analysis of our mortgage servicing rights for the three and nine months ended September 30, 2013 and 2012 is presented below (in thousands):
		Three Months Ended						Nine Months Ended
		30-Sep						30-Sep
		2013			2012			2013			2012
	Balance, beginning of the period	$	7,036		$	6,202		$	6,244		$	5,584
	Amounts capitalized	769			931			2,352			2,784
	Amortization (1)	(520		)	(682		)	(1,911		)	(1,917		)
	Valuation adjustments in the period	400			—			1,000			—
	Balance, end of the period (2)	$	7,685		$	6,451		$	7,685		$	6,451
	(1)	Amortization of mortgage servicing rights is recorded as a reduction of loan servicing income and any unamortized balance is fully written off if the loan repays in full.
	(2)	Balances as of September 30, 2013 and 2012 are net of valuation allowances of $300,000 and $900,000, respectively.

DEPOSITS_AND_CUSTOMER_REPURCHA

DEPOSITS AND CUSTOMER REPURCHASE AGREEMENTS	9 Months Ended
	Sep. 30, 2013
Banking and Thrift [Abstract]	'
DEPOSITS AND CUSTOMER REPURCHASE AGREEMENTS	'
	DEPOSITS AND RETAIL REPURCHASE AGREEMENTS
	Deposits consisted of the following at September 30, 2013, December 31, 2012 and September 30, 2012 (dollars in thousands):
		September 30, 2013						December 31, 2012							September 30, 2012
		Amount			Percent			Amount				Percent			Amount		Percent
					of Total							of Total					of Total
	Non-interest-bearing accounts	$	1,051,831		29.7	%		$	981,240			27.6	%		$	918,962	26.3	%
	Interest-bearing checking	399,343			11.3			410,316				11.5			379,650		10.9
	Regular savings accounts	775,260			21.9			727,957				20.5			689,322		19.8
	Money market accounts	408,827			11.6			408,998				11.5			411,262		11.8
	Total transaction and saving accounts	2,635,261			74.5			2,528,511				71.1			2,399,196		68.8
	Certificates which mature or reprice:
	Within 1 year	667,444			18.9			759,626				21.3			818,283		23.5
	After 1 year, but within 3 years	183,411			5.2			209,790				5.9			205,030		5.9
	After 3 years	49,169			1.4			59,877				1.7			63,863		1.8
	Total certificate accounts	900,024			25.5			1,029,293				28.9			1,087,176		31.2
	Total deposits	$	3,535,285		100	%		$	3,557,804			100	%		$	3,486,372	100	%
	Included in total deposits:
	Public fund transaction accounts	$	70,470		2	%		$	79,955			2.2	%		$	72,407	2	%
	Public fund interest-bearing certificates	51,562			1.5	%		60,518				1.7	%		61,628		1.8	%
	Total public deposits	$	122,032		3.5	%		$	140,473			3.9	%		$	134,035	3.8	%
	Total brokered deposits	$	4,531		0.1	%		$	15,702			0.4	%		$	21,403	0.6	%
	Included in total deposits are certificate of deposit accounts in excess of $100,000 totaling $499 million and $571 million at September 30, 2013 and December 31, 2012, respectively.
	The following table presents the geographic concentration of deposits at September 30, 2013 (in thousands):
		Washington			Oregon				Idaho				Total
	Total deposits	$	2,679,104		$	610,205			$	245,976			$	3,535,285
	Percent of total deposits	75.8		%	17.3		%		6.9		%		100		%
	In addition to deposits, we also offer retail repurchase agreements which are customer funds that are primarily associated with sweep account arrangements tied to transaction deposit accounts.  While we include these collateralized borrowings in other borrowings reported in our Consolidated Statements of Financial Condition, these accounts primarily represent customer utilization of our cash management services and related deposit accounts.
	The following table presents retail repurchase agreement balances as of September 30, 2013, December 31, 2012 and September 30, 2012 (in thousands):
		September 30, 2013			December 31, 2012				September 30, 2012
	Retail repurchase agreements	$	82,909		$	76,633			$	82,275

FAIR_VALUE_ACCOUNTING_AND_MEAS

FAIR VALUE ACCOUNTING AND MEASUREMENT	9 Months Ended
	Sep. 30, 2013
Fair Value Disclosures [Abstract]	'
FAIR VALUE ACCOUNTING AND MEASUREMENT	'
	FAIR VALUE ACCOUNTING AND MEASUREMENT
	The Company has elected to record certain assets and liabilities at fair value. Fair value is defined as the 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 (that is, not a forced liquidation or distressed sale). The GAAP standard (ASC 820, Fair Value Measurements) establishes a consistent framework for measuring fair value and disclosure requirements about fair value measurements. Among other things, the standard requires us to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s estimates for market assumptions. These two types of inputs create the following fair value hierarchy:
	•	Level 1 – Quoted prices in active markets for identical instruments. An active market is a market in which transactions occur with sufficient frequency and volume to provide pricing information on an ongoing basis. A quoted price in an active market provides the most reliable evidence of fair value and shall be used to measure fair value whenever available.
	•	Level 2 – Observable inputs other than Level 1 including quoted prices in active markets for similar instruments, quoted prices in less active markets for identical or similar instruments, or other observable inputs that can be corroborated by observable market data.
	•	Level 3 – Unobservable inputs supported by little or no market activity for financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation; also includes observable inputs from non-binding single dealer quotes not corroborated by observable market data.
	The estimated fair value amounts of financial instruments have been determined by the Company using available market information and appropriate valuation methodologies. However, considerable judgment is required to interpret data to develop the estimates of fair value. Accordingly, the estimates presented herein are not necessarily indicative of the amounts the Company could realize in a current market exchange. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts. In addition, reasonable comparability between financial institutions may not be likely due to the wide range of permitted valuation techniques and numerous estimates that must be made given the absence of active secondary markets for certain financial instruments. This lack of uniform valuation methodologies also introduces a greater degree of subjectivity to these estimated fair values. Transfers between levels of the fair value hierarchy are deemed to occur at the end of the reporting period.
	Items Measured at Fair Value on a Recurring Basis:
	Banner records trading account securities, securities available-for-sale, FHLB advances and junior subordinated debentures at fair value on a recurring basis.
	•	The securities assets primarily consist of U.S. Government and agency obligations, municipal bonds, corporate bonds, single issue trust preferred securities (TPS), pooled trust preferred collateralized debt obligation securities (TRUP CDO), mortgage-backed securities, asset-backed securities, equity securities and certain other financial instruments. Level 1 measurements are based upon quoted prices in active markets. Level 2 measurements are generally based upon a matrix pricing model from an investment reporting and valuation service. Matrix pricing is a mathematical technique used principally to value debt securities without relying exclusively on quoted prices for the specific securities, but rather by relying on the securities’ relationship to other benchmark quoted securities. Level 3 measurements are based primarily on unobservable inputs. In developing Level 3 measurements, management incorporates whatever market data might be available and uses discounted cash flow models where appropriate. These calculations include projections of future cash flows, including appropriate default and loss assumptions, and market based discount rates.
	From mid-2008 through the current quarter, the lack of active markets and market participants for certain securities resulted in an increase in Level 3 measurements. This has been particularly true for our TRUP CDO securities. As of September 30, 2013, we owned $31 million in current par value of these securities. The market for TRUP CDO securities is inactive, which was evidenced first by a significant widening of the bid-ask spread in the brokered markets in which TRUP CDOs trade and then by a significant decrease in the volume of trades relative to historical levels. The new issue market is also inactive as almost no new TRUP CDOs have been issued since 2007. There are still very few market participants who are willing and/or able to transact for these securities. Thus, a low market price for a particular bond may only provide evidence of stress in the credit markets in general rather than being an indicator of credit problems with a particular issuer or of the fair value of the security.
	Given these conditions in the debt markets and the absence of observable transactions in the secondary and new issue markets, management determined that for the TRUP CDOs at September 30, 2013 and December 31, 2012:
	•	The few observable transactions and market quotations that were available were not reliable for purposes of determining fair value,
	•	An income valuation approach technique (present value technique) that maximizes the use of relevant observable inputs and minimizes the use of unobservable inputs was equally or more representative of fair value than the market approach valuation technique, and
	•	The Company’s TRUP CDOs should be classified exclusively within Level 3 of the fair value hierarchy because of the significant assumptions required to determine fair value at the measurement date.
	The TRUP CDO valuations were derived using input from independent third parties who used proprietary cash flow models for analyzing collateralized debt obligations. Their approaches to determining fair value involve considering the credit quality of the collateral, assuming a level of defaults based on the probability of default of each underlying trust preferred security, creating expected cash flows for each TRUP CDO security and discounting that cash flow at an appropriate risk-adjusted rate plus a liquidity premium.
	Where appropriate, management reviewed the valuation methodologies and assumptions used by the independent third party providers and for certain securities determined that the fair value estimates were reasonable and utilized those estimates in the Company’s reported financial statements, while for other securities management adjusted the third party providers’ modeling to be more reflective of the characteristics of the Company’s remaining TRUP CDOs. The result of this fair value analysis of these Level 3 measurements was a fair value loss of $9,000 in the quarter ended September 30, 2013. This loss was primarily the result of the passage of time and no change in the spread between the benchmark credit equivalent index and a similar maturity point on the interest rate swap curve was incorporated into the discount rate used to establish the fair value.
	At September 30, 2013, Banner also owned approximately $19 million in amortized cost of TPS securities issued by three individual financial institutions for which no direct market data or independent valuation source is available. Similar to the TRUP CDOs above, there were too few, if any, issuances of new TPS securities or sales of existing TPS securities to provide Level 1 or even Level 2 fair value measurements for these securities. Management, therefore, utilized a discounted cash-flow model to calculate the present value of each security’s expected future cash flows to determine their respective fair values. In the current quarter, the Company again sought input from independent third parties to help it establish an appropriate set of parameters to identify a reasonable range of discount rates for use in its fair value model. The various sources of input were somewhat conflicting, but as has been the case for some time indicated very little change from recent periods. Management concluded that any general market tightening of credit spreads should be offset by an increase in the liquidity premium when determining an appropriate discount rate to apply to the valuation of these TPS securities. These factors were then incorporated into the model at September 30, 2013, and discount rates equal to three-month LIBOR plus 525 basis points were used to calculate the respective fair values of these securities, the same spread to LIBOR used over the last five quarters. With the discount rate relatively unchanged since the prior quarter-end, the resulting fair value change was a gain of $9,000 in the quarter ended September 30, 2013. The Company has and will continue to assess the appropriate fair value hierarchy for determination of these fair values on a quarterly basis.
	•	Fair valuations for FHLB advances are estimated using fair market values provided by the lender, the FHLB of Seattle. The FHLB of Seattle prices advances by discounting the future contractual cash flows for individual advances using its current cost of funds curve to provide the discount rate. Management considers this to be a Level 2 input method.
	•	The fair valuations of junior subordinated debentures (TPS-related debt that the Company has issued) were also estimated using discounted cash flows. As of September 30, 2013, all of these debentures carry interest rates that reset quarterly, using the three-month LIBOR index plus spreads of 1.38% to 3.35%.  While the quarterly reset of the index on this debt would seemingly keep its fair value reasonably close to book value, the disparity in the fixed spreads above the index and the inability to determine realistic current market spreads, due to lack of new issuances and trades, resulted in having to rely more heavily on assumptions about what spread would be appropriate if market transactions were to take place.  As noted above in the discussions of TPS securities and TRUP CDOs, because of the unprecedented disruption of certain financial markets, management concluded that there were insufficient transactions or other indicators to reflect these measurements as Level 1 or Level 2 inputs.  Due to the reliance on assumptions and not on directly observable transactions, management believes fair value for this instrument should follow a Level 3 input methodology. Since the discount rate used in the fair value modeling is the most sensitive unobservable estimate in the calculation, the Company again utilized input from the same independent third party noted above to help it establish an appropriate set of parameters to identify a reasonable range of discount rates for use in its fair value model. In valuing the debentures at September 30, 2013, management evaluated the general market conditions as noted above and for the discount rate used the period-ending three-month LIBOR plus 525 basis points, the same spread to LIBOR used over the last five quarters and for the TPS securities, resulting in a fair value loss on these instruments of $166,000 in the current quarter ended September 30, 2013.
	•	Derivative instruments include interest rate commitments related to one- to four-family loans and residential mortgage-backed securities and interest rate swaps.  The fair value of interest rate lock commitments and forward sales commitments are estimated using quoted or published market prices for similar instruments, adjusted for factors such as pull-through rate assumptions based on historical trends, where appropriate.  The fair value of interest rate swaps is determined by using current market quotes on similar instruments provided by active broker/dealers in the swap market.  Management considers these to be Level 2 input methods. The changes in the fair value of all of these derivative instruments are primarily attributable to changes in the level of market interest rates.  The Company has elected to record the fair value of these derivative instruments on a net basis.
	The following tables present financial assets and liabilities measured at fair value on a recurring basis and the level within the fair value hierarchy of the fair value measurements for those assets as of September 30, 2013 and December 31, 2012 (in thousands):
		September 30, 2013
		Level 1				Level 2		Level 3			Total
	Assets:
	Securities—available-for-sale
	U.S. Government and agency	$	—			$	58,768	$	—		$	58,768
	Municipal bonds	—				55,315		—			55,315
	Corporate bonds	—				9,000		—			9,000
	Mortgage-backed or related securities	—				329,075		—			329,075
	Asset-backed securities	—				25,249		—			25,249
		—				477,407		—			477,407
	Securities—trading
	U.S. Government and agency	—				1,510		—			1,510
	Municipal bonds	—				4,987		—			4,987
	TPS and TRUP CDOs	—				—		35,095			35,095
	Mortgage-backed or related securities	—				22,227		—			22,227
	Equity securities and other	—				68		—			68
		—				28,792		35,095			63,887
	Derivatives
	Interest rate lock commitments	—				494		—			494
	Interest rate swaps	—				4,615		—			4,615
		$	—			$	511,308	$	35,095		$	546,403
	Liabilities:
	Advances from FHLB at fair value	$	—			$	20,258	$	—		$	20,258
	Junior subordinated debentures net of unamortized deferred issuance costs at fair value	—				—		73,637			73,637
	Derivatives
	Interest rate sales forward commitments, net	—				474		—			474
	Interest rate swaps	—				4,615		—			4,615
		$	—			$	25,347	$	73,637		$	98,984
		December 31, 2012
		Level 1				Level 2		Level 3			Total
	Assets:
	Securities—available-for-sale
	U.S. Government and agency	$	—			$	96,980	$	—		$	96,980
	Municipal bonds	—				44,938		—			44,938
	Corporate bonds	—				10,729		—			10,729
	Mortgage-backed or related securities	—				277,757		—			277,757
	Asset-backed securities	—				42,516		—			42,516
		—				472,920		—			472,920
	Securities—trading
	U.S. Government and agency	—				1,637		—			1,637
	Municipal bonds	—				5,684		—			5,684
	TPS and TRUP CDOs	—				—		35,741			35,741
Mortgage-backed or related securities	—				28,107		—			28,107
Equity securities and other	—				63		—			63
	—				35,491		35,741			71,232
Derivatives
Interest rate lock commitments	—				510		—			510
Interest rate swaps	—				8,353		—			8,353
	$	—			$	517,274	$	35,741		$	553,015
Liabilities:
Advances from FHLB at fair value	$	—			$	10,304	$	—		$	10,304
Junior subordinated debentures net of unamortized deferred issuance costs at fair value	—				—		73,063			73,063
Derivatives
Interest rate sales forward commitments, net	—				195		—			195
Interest rate swaps	—				8,353		—			8,353
	$	—			$	18,852	$	73,063		$	91,915
The following table provides a reconciliation of the assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three and nine months ended September 30, 2013 and 2012 (in thousands):
	Three Months Ended						Nine Months Ended
	September 30, 2013						September 30, 2013
	Level 3 Fair Value Inputs						Level 3 Fair Value Inputs
	TPS and TRUP				Borrowings—		TPS and TRUP			Borrowings—
	CDOs				Junior		CDOs			Junior
					Subordinated					Subordinated
					Debentures					Debentures
Beginning balance	$	35,105			$	73,471	$	35,741		$	73,063
Total gains or losses recognized
Assets gains (losses), including OTTI	(10		)		—		(646		)	—
Liabilities (gains) losses	—				166		—			574
Ending balance at September 30, 2013	$	35,095			$	73,637	$	35,095		$	73,637
	Three Months Ended						Nine Months Ended
	September 30, 2012						September 30, 2012
	Level 3 Fair Value Inputs						Level 3 Fair Value Inputs
	TPS and TRUP				Borrowings—		TPS and TRUP			Borrowings—
	CDOs				Junior		CDOs			Junior
					Subordinated					Subordinated
					Debentures					Debentures
Beginning balance	$	32,493			$	70,553	$	30,455		$	49,988
Total gains or losses recognized
Assets gains (losses), including OTTI	2,687				—		4,725			—
Liabilities (gains) losses	—				2,518		—			23,083
Ending balance at September 30, 2012	$	35,180			$	73,071	$	35,180		$	73,071
The Company has elected to continue to recognize the interest income and dividends from the securities reclassified to fair value as a component of interest income as was done in prior years when they were classified as available-for-sale.  Interest expense related to the FHLB advances and junior subordinated debentures continues to be measured based on contractual interest rates and reported in interest expense.  The change in fair market value of these financial instruments has been recorded as a component of other operating income.
Items Measured at Fair Value on a Non-recurring Basis:
Banner records certain impaired loans, REO and mortgage servicing rights on a non-recurring basis.
Carrying values of certain impaired loans are periodically evaluated to determine if valuation adjustments, or partial write-downs, should be recorded. These non-recurring fair value adjustments are recorded when observable market prices or current appraised values of collateral indicate a shortfall in collateral value or discounted cash flows indicate a shortfall compared to current carrying values of the related loan. If the Company determines that the value of the impaired loan is less than the carrying value of the loan, the Company either establishes an impairment reserve as a specific component of the allowance for loan and lease losses (ALLL) or charges off the impaired amount. The remaining impaired loans are evaluated for reserve needs in homogenous pools within the Company’s ALLL methodology. As of September 30, 2013, the Company reviewed all of its adversely classified loans totaling $107 million and identified $75 million which were considered impaired. Of those $75 million in impaired loans, $60 million were individually evaluated to determine if valuation adjustments, or partial write-downs, should be recorded, or if specific impairment reserves should be established. The $60 million had original carrying values of $62 million which were reduced by partial write-downs totaling $2 million. In addition to these write-downs, in order to bring the impaired loan balances to fair value, the Company also established $6 million in specific reserves on these impaired loans. Impaired loans that were collectively evaluated for reserve purposes within homogenous pools totaled $16 million and were found to require allowances totaling $896,000. All TDRs which are currently performing according to their restructured payment terms were included in the specific reserve analysis. The valuation inputs for impaired loans are considered to be Level 3 inputs.
The Company records REO (acquired through a lending relationship) at fair value on a non-recurring basis. All REO properties are recorded at the lower of the estimated fair value of the properties, less expected selling costs, or the carrying value of the defaulted loans. From time to time, non-recurring fair value adjustments to REO are recorded to reflect partial write-downs based on an observable market price or current appraised value of property. Banner considers any valuation inputs related to REO to be Level 3 inputs. The individual carrying values of these assets are reviewed for impairment at least annually and any additional impairment charges are expensed to operations. For the three months ended September 30, 2013, the Company recognized $191,000 of additional impairment charges related to REO assets, compared to $1.3 million for the same quarter one year earlier.
Mortgage servicing rights (MSRs) are reported in other assets. Mortgage servicing rights are initially recorded at fair value and are amortized in proportion to, and over the period of, the estimated future net servicing income of the underlying financial assets.  Mortgage servicing rights are subsequently evaluated for impairment based upon the fair value of the rights compared to the amortized cost (remaining unamortized initial fair value). If the fair value is less than the amortized cost, a valuation allowance is created through an impairment charge to servicing fee income.  The valuation allowance is subsequently adjusted to reflect changes in the measurement of impairment after the initial measurement of impairment. However, if the fair value is greater than the amortized cost, the amount above the amortized cost is not recognized in the carrying value.  During the nine months ended September 30, 2013 and 2012, the Company did not record an impairment charge.  However, during the quarter and nine months ended September 30, 2013, the Company recorded a reduction in its valuation allowance for previously recognized impairment charges of $400,000 and $1.0 million, respectively. Loans serviced for others totaled $1.086 billion, $918 million and $850 million at September 30, 2013, December 31, 2012 and September 30, 2012, respectively.  Custodial accounts maintained in connection with this servicing totaled $3.6 million, $4.7 million and $7.3 million at September 30, 2013, December 31, 2012, and September 30, 2012, respectively.
The following tables present financial assets measured at fair value on a non-recurring basis and the level within the fair value hierarchy of the fair value measurements for those assets as of September 30, 2013 and December 31, 2012 (in thousands):
	At or For the Nine Months Ended September 30, 2013
	Level 1				Level 2		Level 3			Total		Net Gains/(Losses) Recognized During the Period
Impaired loans	$	—			$	—	$	50,875		$	50,875	$	(4,648	)
REO	—				—		4,818			4,818		(557		)
MSRs	—				—		7,684			7,684		1,000
	At or For the Year Ended December 31, 2012
	Level 1				Level 2		Level 3			Total		Net Gains/(Losses) Recognized During the Period
Impaired loans	$	—			$	—	$	52,475		$	52,475	$	(6,381	)
REO	—				—		15,778			15,778		(1,915		)
MSRs	—				—		6,244			6,244		(400		)
The following table provides a description of the valuation technique, unobservable inputs, and qualitative information about the unobservable inputs for the Company's assets and liabilities classified as Level 3 and measured at fair value on a recurring and nonrecurring basis at September 30, 2013:
Financial Instruments		Valuation Techniques		Unobservable Inputs		Weighted Average Rate
TPS		Discounted cash flows		Discount rate		5.50%
TRUP CDOs		Discounted cash Flows		Discount rate		3.11%
Junior Subordinated Debentures		Discounted cash flows		Discount rate		5.50%
Impaired loans		Discounted cash flows		Discount rate		Various
		Collateral Valuations		Market values		n/a
REO		Appraisals		Market values		n/a
MSRs		Discounted cash flows		Prepayment rate		12.37%
				Discount rate		10.09%
Fair Values of Financial Instruments:
The following table presents estimated fair values of the Company’s financial instruments as of September 30, 2013 and December 31, 2012, whether or not recognized or recorded in the consolidated Statements of Financial Condition.  The estimated fair value amounts have been determined by the Company using available market information and appropriate valuation methodologies.  However, considerable judgment is necessary to interpret market data in the development of the estimates of fair value.  Accordingly, the estimates presented herein are not necessarily indicative of the amounts the Company could realize in a current market exchange.  The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.  The estimated fair value of financial instruments is as follows (in thousands):
	September 30, 2013						December 31, 2012
	Carrying				Estimated Fair		Carrying			Estimated Fair
	Value				Value		Value			Value
Assets:
Cash and due from banks	$	175,965			$	175,965	$	181,298		$	181,298
Securities—trading	63,887				63,887		71,232			71,232
Securities—available-for-sale	477,407				477,407		472,920			472,920
Securities—held-to-maturity	96,545				98,401		86,452			92,458
Loans receivable held for sale	8,394				8,394		11,920			12,059
Loans receivable	3,267,042				3,164,657		3,223,794			3,143,853
FHLB stock	35,708				35,708		36,705			36,705
Bank-owned life insurance	61,442				61,442		59,891			59,891
Mortgage servicing rights	7,684				7,684		6,244			6,244
Derivatives	5,109				5,110		8,863			8,863
Liabilities:
Demand, interest checking and money market accounts	1,860,001				1,714,813		1,800,555			1,729,351
Regular savings	775,260				706,326		727,956			694,609
Certificates of deposit	900,024				893,768		1,029,293			1,033,931
FHLB advances at fair value	20,258				20,258		10,304			10,304
Junior subordinated debentures at fair value	73,637				73,637		73,063			73,063
Other borrowings	82,909				82,909		76,633			76,633
Derivatives	5,089				5,089		8,548			8,548
Fair value estimates, methods, assumptions and the level within the fair value hierarchy of the fair value measurements are set forth below for the Company’s financial and off-balance-sheet instruments:
Cash and Due from Banks:  The carrying amount of these items is a reasonable estimate of their fair value and management considers this to be a Level 1 measurement.
Securities:  The estimated fair values of investment securities and mortgaged-backed securities are priced using current active market quotes, if available, which are considered Level 1 measurements.  For most of the portfolio, matrix pricing based on the securities’ relationship to other benchmark quoted prices is used to establish the fair value.  These measurements are considered Level 2.  Due to the increasing credit concerns in the capital markets and inactivity in the trust preferred markets that have limited the observability of market spreads for the Company’s TPS and TRUP CDO securities (see earlier discussion above in determining the securities’ fair market value), management has classified these securities as a Level 3 fair value measure.
Loans Receivable:  Fair values are estimated first by stratifying the portfolios of loans with similar financial characteristics.  Loans are segregated by type such as multifamily real estate, residential mortgage, nonresidential mortgage, commercial/agricultural, consumer and other.  Each loan category is further segmented into fixed- and adjustable-rate interest terms and by performing and non-performing categories.  A preliminary estimate of fair value is then calculated based on discounted cash flows using as a discount rate the current rate offered on similar products, plus an adjustment for liquidity to reflect the non-homogeneous nature of the loans.  The preliminary estimate is then further reduced by the amount of the allowance for loan losses to arrive at a final estimate of fair value.  Fair value for significant non-performing loans is also based on recent appraisals or estimated cash flows discounted using rates commensurate with risk associated with the estimated cash flows.  Assumptions regarding credit risk, cash flows and discount rates are judgmentally determined using available market information and specific borrower information.  Management considers this to be a Level 3 measurement.
The fair value of performing residential mortgages held for sale is estimated based upon secondary market sources by type of loan and terms such as fixed or variable interest rates.  Management considers this to be a Level 2 measurement.
FHLB Stock:  The fair value is based upon the redemption value of the stock which equates to its carrying value.  Management considers this to be a Level 3 measurement.
Mortgage Servicing Rights:  Fair values are estimated based on current pricing for sales of servicing for new loans adjusted up or down based on the serviced loan’s interest rate versus current new loan rates.  Management considers this to be a Level 3 measurement.
Deposit Liabilities: The fair value of deposits with no stated maturity, such as savings, checking and interest checking accounts, is estimated by applying decay rate assumptions to segregated portfolios of similar deposit types to generate cash flows which are then discounted using short-term market interest rates.  The market value of certificates of deposit is based upon the discounted value of contractual cash flows.  The discount rate is determined using the rates currently offered on comparable instruments. Management considers this to be a Level 3 measurement.
FHLB Advances and Other Borrowings:  Fair valuations for Banner’s FHLB advances are estimated using fair market values provided by the lender, the FHLB of Seattle.  The FHLB of Seattle prices advances by discounting the future contractual cash flows for individual advances using its current cost of funds curve to provide the discount rate.  This is considered to be a Level 2 input method.  Other borrowings are priced using discounted cash flows to the date of maturity based on using current rates at which such borrowings can currently be obtained.
Junior Subordinated Debentures:  Due to the increasing credit concerns in the capital markets and inactivity in the trust preferred markets that have limited the observability of market spreads (see earlier discussion above in determining the junior subordinated debentures’ fair market value), junior subordinated debentures have been classified as a Level 3 fair value measure.  Management believes that the credit risk adjusted spread and resulting discount rate utilized is indicative of those that would be used by market participants.
Derivatives:  Derivatives include interest rate swap agreements, interest rate lock commitments to originate loans held for sale and forward sales contracts to sell loans and securities related to mortgage banking activities. Fair values for these instruments, which generally change as a result of changes in the level of market interest rates, are estimated based on dealer quotes and secondary market sources. Management considers these to be Level 2 inputs.
Off -Balance Sheet Items: Off-balance sheet financial instruments include unfunded commitments to extend credit, including standby letters of credit, and commitments to purchase investment securities. The fair value of these instruments is not considered practical to estimate without incurring excessive costs and management does not believe the fair value estimates would be material. Other commitments to fund loans totaled $1.119 billion and $925 million at September 30, 2013 and December 31, 2012, respectively, and have no carrying value at both dates. There were no commitments to purchase securities at September 30, 2013 and one commitment to purchase securities at December 31, 2012 for $12 million.
Limitations: The fair value estimates presented herein are based on pertinent information available to management as of September 30, 2013 and December 31, 2012.  Although management is not aware of any factors that would significantly affect the estimated fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since that date and, therefore, current estimates of fair value may differ significantly from the amounts presented herein.
Fair value estimates are based on existing on- and off-balance-sheet financial instruments without attempting to estimate the value of anticipated future business.  The fair value has not been estimated for assets and liabilities that are not considered financial instruments.  Significant assets and liabilities that are not financial instruments include the deferred tax assets/liabilities; land, buildings and equipment; and REO.

INCOME_TAXES_AND_DEFERRED_TAXE

INCOME TAXES AND DEFERRED TAXES	9 Months Ended
	Sep. 30, 2013
Income Tax Disclosure [Abstract]	'
INCOME TAXES AND DEFERRED TAXES	'
	INCOME TAXES AND DEFERRED TAXES
	The Company files a consolidated income tax return including all of its wholly-owned subsidiaries on a calendar year basis. Income taxes are accounted for using the asset and liability method. Under this method, a deferred tax asset or liability is determined based on the enacted tax rates which will be in effect when the differences between the financial statement carrying amounts and tax bases of existing assets and liabilities are expected to be reported in the Company’s income tax returns. The effect on deferred taxes of a change in tax rates is recognized in income in the period of change. A valuation allowance is recognized as a reduction to deferred tax assets when management determines it is more likely than not that deferred tax assets will not be available to offset future income tax liabilities.
	Accounting standards for income taxes prescribe a recognition threshold and measurement process for financial statement recognition and measurement of uncertain tax positions taken or expected to be taken in a tax return, and also provide guidance on the de-recognition of previously recorded benefits and their classification, as well as the proper recording of interest and penalties, accounting in interim periods, disclosures and transition. The Company periodically reviews its income tax positions based on tax laws and regulations and financial reporting considerations, and records adjustments as appropriate. This review takes into consideration the status of current taxing authorities’ examinations of the Company’s tax returns, recent positions taken by the taxing authorities on similar transactions, if any, and the overall tax environment.
	As of September 30, 2013, the Company had an insignificant amount of unrecognized tax benefits for uncertain tax positions, none of which would materially affect the effective tax rate if recognized. The Company does not anticipate that the amount of unrecognized tax benefits will significantly increase or decrease in the next twelve months. The Company’s policy is to recognize interest and penalties on unrecognized tax benefits in the income tax expense. The Company files consolidated income tax returns in U.S. federal jurisdiction and in the Oregon and Idaho state jurisdictions. The tax years which remain subject to examination by the taxing authorities are the years ended December 31, 2012, 2011, and 2010. Tax years 2006 - 2009 are not open for assessment of additional tax, but remain open for adjustments to the amount of NOLs, credit, and other carryforwards utilized in open years or to be utilized in the future.
	As of September 30, 2013, the Company's tax receivables included $9.8 million related to a refund due from amended federal income tax returns filed for 2005, 2006, 2008 and 2009. In addition, $450,000 of interest was recognized as miscellaneous income in the quarter ended September 30, 2013. The tax receivable represents the finalization of the Internal Revenue Service's review that began in 2011 and which ended with the signing, during the three months ended September 30, 2013, of a closing agreement between the IRS and the Company related to these amended federal income tax returns.

CALCULATION_OF_WEIGHTED_AVERAG

CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS (LOSS) PER SHARE (EPS)	9 Months Ended
	Sep. 30, 2013
Earnings Per Share [Abstract]	'
CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS (LOSS) PER SHARE (EPS)	'
	CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS PER SHARE (EPS)
	The following table reconciles basic to diluted weighted shares outstanding used to calculate earnings per share data dollars and shares (in thousands, except per share data):
		Three Months Ended					Nine Months Ended
		30-Sep					30-Sep
		2013		2012			2013		2012
	Net income (loss)	$	11,665	$	15,620		$	35,001	$	50,194
	Preferred stock dividend accrual	—		1,227			—		4,327
	Preferred stock discount accretion	—		1,216			—		2,124
	Gain on repurchase and retirement of preferred stock			$	(2,070	)			$	(2,070	)
	Net income (loss) available to common shareholders	$	11,665	$	15,247		$	35,001	$	45,813
	Basic weighted average shares outstanding	19,338		19,172			19,348		18,428
	Plus unvested restricted stock	59		113			55		61
	Diluted weighted shares outstanding	19,397		19,285			19,403		18,489
	Earnings (loss) per common share
	Basic	$	0.6	$	0.8		$	1.81	$	2.49
	Diluted	$	0.6	$	0.79		$	1.8	$	2.48
	Options to purchase an additional 47,671 shares of common stock as of September 30, 2012 were not included in the computation of diluted earnings per share because their exercise price resulted in them being anti-dilutive. There were no options to purchase additional shares of common stock as of September 30, 2013.  Also, as of September 30, 2013, the warrants originally issued to the U.S. Treasury in the fourth quarter of 2008 to purchase up to $18.6 million (243,998 shares, post reverse-split) of common stock were not included in the computation of diluted EPS for 2013 and 2012 because the exercise price of the warrants were greater than the average market price of common shares. In June 2013, the Treasury sold the warrants in a public auction. That sale did not change the Company's capital position and did not have any impact on the financial accounting and reporting for these securities.

STOCKBASED_COMPENSATION_PLANS_

STOCK-BASED COMPENSATION PLANS AND STOCK OPTIONS	9 Months Ended
	Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
STOCK-BASED COMPENSATION PLANS AND STOCK OPTIONS	'
	STOCK-BASED COMPENSATION PLANS AND STOCK OPTIONS
	The Company operates the following stock-based compensation plans as approved by the shareholders: the 1996 Stock Option Plan, the 1998 Stock Option Plan and the 2001 Stock Option Plan (collectively, SOPs) and the Banner Corporation 2012 Restricted Stock and Incentive Bonus Plan. In addition, during 2006 the Board of Directors approved the Banner Corporation Long-Term Incentive Plan, an account-based benefit plan which for reporting purposes is considered a stock appreciation rights plan.
	Restricted Stock Grants. Under the 2012 Restricted Stock Plan, which was approved on April 24, 2012, the Company is authorized to issue up to 300,000 shares of its common stock to provide a means for attracting and retaining highly skilled officers of Banner Corporation and its affiliates. Shares granted under the Plan have a minimum vesting period of three years. The Plan will continue in effect for a term of ten years, after which no further awards may be granted. Vesting requirements may include time-based conditions, performance-based conditions, or market-based conditions. The 2012 Restricted Stock Plan was amended on April 23, 2013 to provide for the ability to grant (1) cash-denominated incentive-based awards payable in cash or common stock, including those that are eligible to qualify as qualified performance-based compensation for the purposes of Section 162(m) of the Code and (2) restricted stock awards that qualify as qualified performance-based compensation for the purposes of Section 162(m) of the Code. As of September 30, 2013, the Company had granted 189,426 shares of restricted stock from the 2012 Restricted Stock Plan, of which 31,178 shares had vested and 158,248 shares remain unvested.
	Additionally, the Company granted shares of restricted common stock to Mark J. Grescovich, President and Chief Executive Officer of Banner Bank and Banner Corporation on August 22, 2010 and on August 23, 2011. The restricted shares were granted to Mr. Grescovich in accordance with his employment agreement, which, as an inducement material to his joining the Company and the Bank, provided for the granting of restricted shares on the six-month and the 18-month anniversaries of the effective date of the agreement. The shares vest in one-third annual increments over the subsequent three-year periods following the grants. A total of 34,257 shares were granted. As of September 30, 2013, 28,359 shares had vested and 5,898 shares remain unvested.
	The expense associated with all restricted stock grants was $482,000 and $1,004,000, respectively, for the three and nine-month periods ended September 30, 2013 and was $193,000 and $293,000, respectively, for the three and nine-month periods ended September 30, 2012. Unrecognized compensation expense for these awards as of September 30, 2013 was $3.7 million and will be amortized over the next 31 months.
	Stock Options. Under the SOPs, Banner reserved 2,284,186 shares for issuance pursuant to the exercise of stock options to be granted to directors and employees. Authority to grant additional options under the 1996 Stock Option Plan terminated on July 26, 2006. Authority to grant additional options under the 1998 Stock Option Plan terminated on July 24, 2008. Authority to grant additional options under the 2001 Stock Option Plan terminated on April 20, 2011. The exercise price of the stock options is set at 100% of the fair market value of the stock price on the date of grant. Options granted vest at a rate of 20% per year from the date of grant and any unexercised incentive stock options will expire ten years after date of grant or 90 days after employment or service ends.
	During the nine months ended September 30, 2013 and 2012, the Company did not grant any stock options. Additionally, there were no significant modifications made to any stock option grants during the period. The fair values of stock options granted are amortized as compensation expense on a straight-line basis over the vesting period of the grant. There was no stock-based compensation costs related to the SOPs for the quarters ended September 30, 2013 or September 30, 2012. For the nine months ended September 30, 2013 there were no stock based compensation costs related to the SOPs and for the nine months ended September 30, 2012 there was $6,000 in compensation costs related to the SOPs. The SOPs’ stock option grant compensation costs are generally based on the fair value calculated from the Black-Scholes option pricing on the date of the grant award. The Black-Scholes model assumes an expected stock price volatility based on the historical volatility at the date of the grant and an expected term based on the remaining contractual life of the vesting period. The Company bases the estimate of risk-free interest rate on the U.S. Treasury Constant Maturities Indices in effect at the time of the grant. The dividend yield is based on the current quarterly dividend in effect at the time of the grant.
	During the three and nine months ended September 30, 2013 and 2012, there were no exercises of stock options. Cash was not used to settle any equity instruments previously granted. The Company issues shares from authorized but unissued shares upon the exercise of stock options. The Company does not currently expect to repurchase shares from any source to satisfy such obligations under the SOPs.
	Banner Corporation Long-Term Incentive Plan: The Plan is an account-based type of benefit, the value of which is directly related to changes in the value of Company stock, dividends declared on the Company stock and changes in Banner Bank’s average earnings rate, and is considered a stock appreciation right (SAR). Each SAR entitles the holder to receive cash, upon vesting, equal to the excess of the fair market value of a share of the Company’s common stock on the date of exercise over the fair market value of such share on the date granted plus for some grants the dividends declared on the stock from the date of grant to the date of vesting. The primary objective of the Plan is to create a retention incentive by allowing officers who remain with the Company or the Banks for a sufficient period of time to share in the increases in the value of Company stock. The Company re-measures the fair value of SARs each reporting period until the award is settled and compensation expense is recognized each reporting period for changes in fair value and vesting. To adjust for a change in its estimated liability pursuant to the Plan, the Company recognized a compensation expense of $286,000 for the three months ended September 30, 2013 and a total compensation expense of $526,000 for the nine months ended September 30, 2013. During 2012, the Company recognized compensation expense of $105,000 and $181,000 for the three months and nine months ended September 30, 2012. At September 30, 2013, the aggregate liability related to SARs was $1,079,000 and was included in deferred compensation.

COMMITMENTS_AND_CONTINGENCIES

COMMITMENTS AND CONTINGENCIES	9 Months Ended
	Sep. 30, 2013
Commitments and Contingencies Disclosure [Abstract]	'
COMMITMENTS AND CONTINGENCIES	'
	COMMITMENTS AND CONTINGENCIES
	Financial Instruments with Off-Balance-Sheet Risk
	We have financial instruments with off-balance-sheet risk generated in the normal course of business to meet the financing needs of our customers.  These financial instruments include commitments to extend credit, commitments related to standby letters of credit, commitments to originate loans, commitments to sell loans, commitments to buy and sell mortgage-backed and other securities.  These instruments involve, to varying degrees, elements of credit and interest rate risk similar to the risk involved in on-balance sheet items recognized in our Consolidated Statements of Financial Condition.
	Our exposure to credit loss in the event of nonperformance by the other party to the financial instrument from commitments to extend credit and standby letters of credit is represented by the contractual notional amount of those instruments.  We use the same credit policies in making commitments and conditional obligations as for on-balance-sheet instruments.
	Outstanding commitments for which no asset or liability for the notional amount has been recorded consisted of the following at the dates indicated (in thousands):
		Contract or Notional Amount
		September 30, 2013		December 31, 2012
	Commitments to extend credit	$	1,092,139	$	907,892
	Standby letters of credit and financial guarantees	8,097		6,660
	Commitments to originate loans	18,657		10,733
	Commitments to purchase investment securities	—		11,500
	Derivatives also included in Note 16:
	Commitments to originate loans held for sale	30,181		89,049
	Commitments to sell loans secured by one- to four residential properties	17,877		70,263
	Commitments to sell securities related to mortgage banking activities	13,470		41,500
	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. Many of the commitments may expire without being drawn upon; therefore, the total commitment amounts do not necessarily represent future cash requirements. Each customer’s creditworthiness is evaluated on a case-by-case basis.  The amount of collateral obtained, if deemed necessary upon extension of credit, is based on management’s credit evaluation of the customer. The type of collateral held varies, but may include accounts receivable, inventory, property, plant and equipment, and income producing commercial properties.
	Standby letters of credit are conditional commitments issued to guarantee a customer’s performance or payment to a third party.  The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.
	Interest rates on residential one- to four-family mortgage loan applications are typically rate locked (committed) to customers during the application stage for periods ranging from 30 to 60 days, the most typical period being 45 days. Traditionally these loan applications with rate lock commitments had the pricing for the sale of these loans locked with various qualified investors under a best-efforts delivery program at or near the time the interest rate is locked with the customer. The Bank then attempts to deliver these loans before their rate locks expired. This arrangement generally required delivery of the loans prior to the expiration of the rate lock. Delays in funding the loans required a lock extension. The cost of a lock extension at times was borne by the customer and at times by the Bank. These lock extension costs have not had a material impact to our operations. In 2012, the Company also began entering into forward commitments at specific prices and settlement dates to deliver either: (1) residential mortgage loans for purchase by secondary market investors (i.e., Freddie Mac or Fannie Mae), or (2) mortgage-backed securities to broker/dealers. The purpose of these forward commitments is to offset the movement in interest rates between the execution of its residential mortgage rate lock commitments with borrowers and the sale of those loans to the secondary market investor. There were no counterparty default losses on forward contracts in the nine months ended September 30, 2013 or September 30, 2012. Market risk with respect to forward contracts arises principally from changes in the value of contractual positions due to changes in interest rates. We limit our exposure to market risk by monitoring differences between commitments to customers and forward contracts with market investors and securities broker/dealers. In the event we have forward delivery contract commitments in excess of available mortgage loans, the transaction is completed by either paying or receiving a fee to or from the investor or broker/dealer equal to the increase or decrease in the market value of the forward contract.

DERIVATIVES_AND_HEDGING

DERIVATIVES AND HEDGING	9 Months Ended
	Sep. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
DERIVATIVES AND HEDGING	'
	DERIVATIVES AND HEDGING
	The Company, through its Banner Bank subsidiary, is party to various derivative instruments that are used for asset and liability management and customer financing needs. Derivative instruments are contracts between two or more parties that have a notional amount and an underlying variable, require no net investment and allow for the net settlement of positions. The notional amount serves as the basis for the payment provision of the contract and takes the form of units, such as shares or dollars. The underlying variable represents a specified interest rate, index, or other component. The interaction between the notional amount and the underlying variable determines the number of units to be exchanged between the parties and influences the market value of the derivative contract. The Company obtains dealer quotations to value its derivative contracts.
	The Company's predominant derivative and hedging activities involve interest rate swaps related to certain term loans and forward sales contracts associated with mortgage banking activities. Generally, these instruments help the Company manage exposure to market risk and meet customer financing needs. Market risk represents the possibility that economic value or net interest income will be adversely affected by fluctuations in external factors such as market-driven interest rates and prices or other economic factors.
	Derivatives Designated in Hedge Relationships
	The Company's fixed rate loans result in exposure to losses in value or net interest income as interest rates change. The risk management objective for hedging fixed rate loans is to effectively convert the fixed rate received to a floating rate. The Company has hedged exposure to changes in the fair value of certain fixed rate loans through the use of interest rate swaps. For a qualifying fair value hedge, changes in the value of the derivatives are recognized in current period earnings along with the corresponding changes in the fair value of the designated hedged item attributable to the risk being hedged.
	In a program brought to Banner Bank through its merger with F&M Bank in 2007, customers received fixed interest rate commercial loans and the Bank subsequently hedged that fixed rate loan by entering into an interest rate swap with a dealer counterparty. The Bank receives fixed rate payments from the customers on the loans and makes similar fixed rate payments to the dealer counterparty on the swaps in exchange for variable rate payments based on the one-month LIBOR index. These interest rate swaps are designated as fair value hedges. Through application of the “short cut method of accounting,” there is an assumption that the hedges are effective. The Bank discontinued originating interest rate swaps under this program in 2008.
	As of September 30, 2013 and December 31, 2012, the notional values or contractual amounts and fair values of the Company's derivatives designated in hedge relationships were as follows (in thousands):
		Asset Derivatives													Liability Derivatives
		September 30, 2013								December 31, 2012					September 30, 2013					December 31, 2012
		Notional/				Fair				Notional/		Fair			Notional/			Fair		Notional/		Fair
		Contract Amount				Value (1)				Contract Amount		Value (1)			Contract Amount			Value (2)		Contract Amount		Value (2)
	Interest rate swaps	$	7,500			$	1,419			$	10,507	$	2,163		$	7,500		$	1,419	$	10,507	$	2,163
	(1)	Included in Loans Receivable on the Consolidated Statement of Financial Condition.
	(2)	Included in Other Liabilities on the Consolidated Statement of Financial Condition.
	Derivatives Not Designated in Hedge Relationships
	Interest Rate Swaps. The Company's subsidiary, Banner Bank, has been using an interest rate swap program for commercial loan customers, termed the Back-to-Back Program, since 2010. In the Back-to-Back Program, the Bank provides the client with a variable rate loan and enters into an interest rate swap in which the client receives a variable rate payment in exchange for a fixed rate payment. The Bank offsets its risk exposure by entering into an offsetting interest rate swap with a dealer counterparty for the same notional amount and length of term as the client interest rate swap providing the dealer counterparty with a fixed rate payment in exchange for a variable rate payment. There are also a few interest rate swaps from prior to 2009 that were not designated in hedge relationships that are included in these totals. These swaps do not qualify as designated hedges; therefore, each swap is accounted for as a free standing derivative.
	Mortgage Banking. In the normal course of business, the Company sells originated mortgage loans into the secondary mortgage loan markets. During the period of loan origination and prior to the sale of the loans in the secondary market, the Company has exposure to movements in interest rates associated with written rate lock commitments with potential borrowers to originate loans that are intended to be sold and for closed loans that are awaiting sale and delivery into the secondary market.
	Written loan commitments that relate to the origination of mortgage loans that will be held for resale are considered free-standing derivatives and do not qualify for hedge accounting. Written loan commitments generally have a term of up to 60 days before the closing of the loan. The loan commitment does not bind the potential borrower to enter into the loan, nor does it guarantee that the Company will approve the potential borrower for the loan. Therefore, when determining fair value, the Company makes estimates of expected “fallout” (loan commitments not expected to close), using models which consider cumulative historical fallout rates, current market interest rates and other factors.
	Written loan commitments in which the borrower has locked in an interest rate results in market risk to the Company to the extent market interest rates change from the rate quoted to the borrower. The Company economically hedges the risk of changing interest rates associated with its interest rate lock commitments by entering into forward sales contracts.
	Mortgage loans which are held for sale are subject to changes in fair value due to fluctuations in interest rates from the loan's closing date through the date of sale of the loans into the secondary market. Typically, the fair value of these loans declines when interest rates increase and rises when interest rates decrease. To mitigate this risk, the Company enters into forward sales contracts on a significant portion of these loans to provide an economic hedge against those changes in fair value. Mortgage loans held for sale and the forward sales contracts are recorded at fair value with ineffective changes in value recorded in current earnings as loan sales and servicing income.
	As of September 30, 2013 and December 31, 2012, the notional values or contractual amounts and fair values of the Company's derivatives not designated in hedge relationships were as follows (in thousands):
		Asset Derivatives													Liability Derivatives
		September 30, 2013								December 31, 2012					September 30, 2013					December 31, 2012
		Notional/				Fair				Notional/		Fair			Notional/			Fair		Notional/		Fair
		Contract Amount				Value (1)				Contract Amount		Value (1)			Contract Amount			Value (2)		Contract Amount		Value (2)
	Interest rate swaps	$	102,673			$	3,196			$	100,447	$	6,190		$	102,673		$	3,196	$	100,447	$	6,190
	Mortgage loan commitments	15,277				271				45,363		436			14,904			223		43,686		74
	Forward sales contracts	14,904				223				43,686		74			13,470			251		41,500		121
		$	132,854			$	3,690			$	189,496	$	6,700		$	131,047		$	3,670	$	185,633	$	6,385
	(1)	Included in Other Assets on the Consolidated Statements of Financial Condition.
	(2)	Included in Other Liabilities on the Consolidated Statements of Financial Condition.
	Gains (losses) recognized in income on non-designated hedging instruments for the three months ended September 30, 2013 and 2012 were as follows (in thousands):
				Three Months Ended
				30-Sep
		Location on Income Statement		2013				2012
	Mortgage loan commitments	Mortgage banking operations		$	651			$	891
	Forward sales contracts	Mortgage banking operations		(952		)		(668		)
				$	(301	)		$	223
	The Company is exposed to credit-related losses in the event of nonperformance by the counterparty to these agreements. Credit risk of the financial contract is controlled through the credit approval, limits, and monitoring procedures and management does not expect the counterparties to fail their obligations.
	In connection with the interest rate swaps between Banner Bank and the dealer counterparties, the agreements contain a provision where if Banner Bank fails to maintain its status as a well/adequately capitalized institution, then the counterparty could terminate the derivative positions and Banner Bank would be required to settle its obligations. Similarly, Banner Bank could be required to settle its obligations under certain of its agreements if specific regulatory events occur, such as a publicly issued prompt corrective action directive, cease and desist order, or a capital maintenance agreement that required Banner Bank to maintain a specific capital level. If Banner Bank had breached any of these provisions at September 30, 2013 or December 31, 2012, it could have been required to settle its obligations under the agreements at the termination value. As of September 30, 2013 and December 31, 2012, the termination value of derivatives in a net liability position related to these agreements was $3.4 million and $8.4 million, respectively. The Company generally posts collateral against derivative liabilities in the form of government agency-issued bonds, mortgage-backed securities, or commercial mortgage-backed securities. Collateral posted against derivative liabilities was $7.6 million and $12.5 million as of September 30, 2013 and December 31, 2012, respectively.
	Derivative assets and liabilities are recorded at fair value on the balance sheet and do not take into account the effects of master netting agreements. Master netting agreements allow the Company to settle all derivative contracts held with a single counterparty on a net basis and to offset net derivative positions with related collateral where applicable.
	The following table illustrates the potential effect of the Company's derivative master netting arrangements, by type of financial instrument, on the Company's Statement of Financial Condition as of September 30, 2013 and December 31, 2012 (in thousands):
		September 30, 2013
												Gross Amounts of Financial Instruments Not Offset in the Statement of Financial Condition
		Gross Amounts Recognized				Amounts offset				Net Amounts		Netting Adjustment Per Applicable Master Netting Agreements			Fair Value			Net Amount
						in the Statement				in the Statement					of Financial Collateral
						of Financial Condition				of Financial Condition					in the Statement
															of Financial Condition
	Derivative assets
	Interest rate swaps	$	4,615			$	—			$	4,615	$	(628	)	$	—		$	3,987
		$	4,615			$	—			$	4,615	$	(628	)	$	—		$	3,987
	Derivative liabilities
	Interest rate swaps	$	4,615			$	—			$	4,615	$	(628	)	$	(3,359	)	$	628
		$	4,615			$	—			$	4,615	$	(628	)	$	(3,359	)	$	628
		December 31, 2012
												Gross Amounts of Financial Instruments Not Offset in the Statement of Financial Condition
		Gross Amounts Recognized				Amounts offset				Net Amounts		Netting Adjustment Per Applicable Master Netting Agreements			Fair Value			Net Amount
						in the Statement				in the Statement					of Financial Collateral
						of Financial Condition				of Financial Condition					in the Statement
															of Financial Condition
	Derivative assets
	Interest rate swaps	$	8,353			$	—			$	8,353	$	—		$	—		$	8,353
		$	8,353			$	—			$	8,353	$	—		$	—		$	8,353
Derivative liabilities
Interest rate swaps	$	8,353			$	—			$	8,353	$	—		$	(8,353	)	$	—
	$	8,353			$	—			$	8,353	$	—		$	(8,353	)	$	—

BASIS_OF_PRESENTATION_AND_CRIT1

BASIS OF PRESENTATION AND CRITICAL ACCOUNTING POLICIES (Policies)	9 Months Ended
	Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]	'
Basis of Accounting	'
	The accompanying unaudited consolidated financial statements include the accounts of Banner Corporation (the Company or Banner), a bank holding company incorporated in the State of Washington and its wholly-owned subsidiaries, Banner Bank and Islanders Bank (the Banks).
	These unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (GAAP) for interim financial information and in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X as promulgated by the Securities and Exchange Commission (SEC).  In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation of the financial position and results of operations for the periods presented have been included.  Certain information and disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to the rules and regulations of the SEC.  Certain reclassifications have been made to the 2012 Consolidated Financial Statements and/or schedules to conform to the 2013 presentation.  These reclassifications may have affected certain ratios for the prior periods. The effect of these reclassifications is considered immaterial.  All significant intercompany transactions and balances have been eliminated.
	The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect amounts reported in the financial statements.  Various elements of the Company’s accounting policies, by their nature, are inherently subject to estimation techniques, valuation assumptions and other subjective assessments.  In particular, management has identified several accounting policies that, due to the judgments, estimates and assumptions inherent in those policies, are critical to an understanding of Banner’s financial statements.  These policies relate to (i) the methodology for the recognition of interest income, (ii) determination of the provision and allowance for loan and lease losses, (iii) the valuation of financial assets and liabilities recorded at fair value, including other-than-temporary impairment (OTTI) losses, (iv) the valuation of intangibles, such as core deposit intangibles and mortgage servicing rights, (v) the valuation of real estate held for sale and (vi) the valuation of or recognition of deferred tax assets and liabilities.  These policies and judgments, estimates and assumptions are described in greater detail in subsequent notes to the Consolidated Financial Statements and Management’s Discussion and Analysis of Financial Condition and Results of Operations (Critical Accounting Policies) in our Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC.  Management believes that the judgments, estimates and assumptions used in the preparation of the financial statements are appropriate based on the factual circumstances at the time.  However, given the sensitivity of the financial statements to these critical accounting policies, the use of other judgments, estimates and assumptions could result in material differences in the Company’s results of operations or financial condition.  Further, subsequent changes in economic or market conditions could have a material impact on these estimates and the Company’s financial condition and operating results in future periods.
	The information included in this Form 10-Q should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2012 filed with the SEC (2012 Form 10-K).  Interim results are not necessarily indicative of results for a full year.
Segment Reporting Policy	'
	The Company is managed by legal entity and not by lines of business.  Each of the Banks is a community oriented commercial bank chartered in the State of Washington.  Each of the Banks’ primary business is that of traditional banking institutions, gathering deposits and originating loans for portfolios in their respective markets.  The Banks offer a wide variety of deposit products to their consumer and commercial customers.  Lending activities include the origination of real estate, commercial/agriculture business and consumer loans.  Banner Bank is also an active participant in the secondary market, originating residential loans for sale on both a servicing released and servicing retained basis.  In addition to interest income on loans and investment securities, the Banks receive other income from deposit service charges, loan servicing fees and from the sale of loans and investments.  The performance of the Banks is reviewed by the Company’s executive management and Board of Directors on a monthly basis.  All of the executive officers of the Company are members of Banner Bank’s management team.
	Generally accepted accounting principles establish standards to report information about operating segments in annual financial statements and require reporting of selected information about operating segments in interim reports to stockholders.  The Company has determined that its current business and operations consist of a single business segment.

INTERESTBEARING_DEPOSITS_AND_S1

INTEREST-BEARING DEPOSITS AND SECURITIES (Tables)	9 Months Ended
	Sep. 30, 2013
Marketable Securities [Line Items]	'
Schedule of Investments	'
	The following table sets forth additional detail regarding our interest-bearing deposits and securities at the dates indicated (includes securities—trading, available-for-sale and held-to-maturity, all at carrying value) (in thousands):
		September 30		December 31			September 30
		2013		2012			2012
	Interest-bearing deposits included in cash and due from banks	$	106,625	$	114,928		$	143,251
	U.S. Government and agency obligations	61,473		98,617			159,885
	Municipal bonds:
	Taxable	36,501		31,480			26,742
	Tax exempt	115,333		103,545			106,171
	Total municipal bonds	151,834		135,025			132,913
	Corporate bonds	46,145		48,519			40,505
	Mortgage-backed or related securities:
	One- to four-family residential agency guaranteed	58,616		105,770			108,830
	One- to four-family residential other	1,100		1,299			1,412
	Multifamily agency guaranteed	283,252		188,136			144,830
	Multifamily other	10,102		10,659			—
	Total mortgage-backed or related securities	353,070		305,864			255,072
	Asset-backed securities:
	Student Loan Marketing Association (SLMA)	15,676		32,474			32,752
	Other asset-backed securities	9,573		10,042			—
	Total asset-backed securities	25,249		42,516			32,752
	Equity securities (excludes FHLB stock)	68		63			50
	Total securities	637,839		630,604			621,177
	FHLB stock	35,708		36,705			37,038
		$	780,172	$	782,237		$	801,466
Schedule of Trading Securities	'
	Securities—Trading:  The amortized cost and estimated fair value of securities—trading at September 30, 2013 and December 31, 2012 are summarized as follows (dollars in thousands):
		September 30, 2013								December 31, 2012
		Amortized		Fair Value			Percent of			Amortized				Fair Value			Percent of
		Cost					Total			Cost							Total
	U.S. Government and agency obligations	$	1,370	$	1,510		2.4	%		$	1,380			$	1,637		2.3	%
	Municipal bonds:
	Tax exempt	4,966		4,987			7.8			5,590				5,684			8
	Total municipal bonds	4,966		4,987			7.8			5,590				5,684			8
	Corporate bonds	49,507		35,095			54.9			57,807				35,741			50.2
	Mortgage-backed or related securities:
	One- to four-family residential agency guaranteed	11,811		12,587			19.7			16,574				17,911			25.1
	Multifamily agency guaranteed	8,857		9,640			15.1			8,974				10,196			14.3
	Total mortgage-backed or related securities	20,668		22,227			34.8			25,548				28,107			39.4
	Equity securities	14		68			0.1			14				63			0.1
		$	76,525	$	63,887		100	%		$	90,339			$	71,232		100	%
Schedule of Available-for-sale Securities	'
	Securities—Available-for-Sale:  The amortized cost and estimated fair value of securities—available-for-sale at September 30, 2013 and December 31, 2012 are summarized as follows (dollars in thousands):
		September 30, 2013
		Amortized		Gross			Gross				Fair				Percent of
		Cost		Unrealized			Unrealized				Value				Total
				Gains			Losses
	U.S. Government and agency obligations	$	59,217	$	173		$	(622	)		$	58,768			12.3	%
	Municipal bonds:
	Taxable	25,669		113			(230		)		25,552				5.4
	Tax exempt	29,847		160			(244		)		29,763				6.2
	Total municipal bonds	55,516		273			(474		)		55,315				11.6
	Corporate bonds	9,006		13			(19		)		9,000				1.9
	Mortgage-backed or related securities:
	One- to four-family residential agency guaranteed	46,162		807			(940		)		46,029				9.6
	One- to four-family residential other	1,025		75			—				1,100				0.2
	Multifamily agency guaranteed	274,674		455			(3,285		)		271,844				57
	Multifamily other	10,628		—			(526		)		10,102				2.1
	Total mortgage-backed or related securities	332,489		1,337			(4,751		)		329,075				68.9
	Asset-backed securities:
	SLMA	15,576		100			—				15,676				3.3
	Other asset-backed securities	10,063		—			(490		)		9,573				2
	Total asset-backed securities	25,639		100			(490		)		25,249				5.3
		$	481,867	$	1,896		$	(6,356	)		$	477,407			100	%
		December 31, 2012
		Amortized		Gross			Gross				Fair				Percent of
		Cost		Unrealized			Unrealized				Value				Total
				Gains			Losses
	U.S. Government and agency obligations	$	96,666	$	367		$	(53	)		$	96,980			20.5	%
	Municipal bonds:
	Taxable	20,987		233			(67		)		21,153				4.5
	Tax exempt	23,575		221			(11		)		23,785				5
	Total municipal bonds	44,562		454			(78		)		44,938				9.5
	Corporate bonds	10,701		37			(9		)		10,729				2.3
	Mortgage-backed or related securities:
	One- to four-family residential agency guaranteed	87,392		1,051			(584		)		87,859				18.6
	One- to four-family residential other	1,223		76			—				1,299				0.3
	Multifamily agency guaranteed	176,026		2,140			(226		)		177,940				37.6
	Multifamily other	10,700		4			(45		)		10,659				2.2
	Total mortgage-backed or related securities	275,341		3,271			(855		)		277,757				58.7
	Asset-backed securities:
	SLMA	32,309		210			(45		)		32,474				6.9
	Other asset-backed securities	10,071		—			(29		)		10,042				2.1
	Total asset-backed securities	42,380		210			(74		)		42,516				9
		$	469,650	$	4,339		$	(1,069	)		$	472,920			100	%
Schedule of Available-for-sale Securities with Continuous Loss Position	'
	At September 30, 2013 and December 31, 2012, an aging of unrealized losses and fair value of related securities—available-for-sale was as follows (in thousands):
		September 30, 2013
		Less Than 12 Months					12 Months or More								Total
		Fair Value		Unrealized			Fair Value				Unrealized				Fair Value			Unrealized
				Losses							Losses							Losses
	U.S. Government and agency obligations	$	40,637	$	(622	)	$	—			$	—			$	40,637		$	(622	)
	Municipal bonds:
	Taxable	17,756		(230		)	—				—				17,756			(230		)
	Tax exempt	11,363		(243		)	379				(1		)		11,742			(244		)
	Total municipal bonds	29,119		(473		)	379				(1		)		29,498			(474		)
	Corporate bonds	4,981		(19		)	—				—				4,981			(19		)
	Mortgage-backed or related securities:
	One- to four-family residential agency guaranteed	4,133		(274		)	19,478				(666		)		23,611			(940		)
	Multifamily agency guaranteed	194,062		(3,219		)	3,040				(66		)		197,102			(3,285		)
	Multifamily other	10,102		(526		)	—				—				10,102			(526		)
	Total mortgage-backed or related securities	208,297		(4,019		)	22,518				(732		)		230,815			(4,751		)
	Asset-backed securities:
	Other asset-backed securities	9,573		(490		)	—				—				9,573			(490		)
	Total asset-backed securities	9,573		(490		)	—				—				9,573			(490		)
		$	292,607	$	(5,623	)	$	22,897			$	(733	)		$	315,504		$	(6,356	)
		December 31, 2012
		Less Than 12 Months					12 Months or More								Total
		Fair Value		Unrealized			Fair Value				Unrealized				Fair Value			Unrealized
				Losses							Losses							Losses
	U.S. Government and agency obligations	$	22,955	$	(53	)	$	—			$	—			$	22,955		$	(53	)
	Municipal bonds:
	Taxable	11,009		(67		)	—				—				11,009			(67		)
	Tax exempt	4,619		(11		)	—				—				4,619			(11		)
	Total municipal bonds	15,628		(78		)	—				—				15,628			(78		)
	Corporate bonds	6,670		(9		)	—				—				6,670			(9		)
	Mortgage-backed or related securities:
	One- to four-family residential agency guaranteed	32,459		(503		)	5,746				(81		)		38,205			(584		)
	Multifamily agency guaranteed	32,170		(226		)	—				—				32,170			(226		)
	Multifamily other	7,279		(45		)	—				—				7,279			(45		)
	Total mortgage-backed or related securities	71,908		(774		)	5,746				(81		)		77,654			(855		)
	Asset-backed securities:
	SLMA	9,674		(45		)	—				—				9,674			(45		)
	Other asset-backed securities	10,042		(29		)	—				—				10,042			(29		)
	Total asset-backed securities	19,716		(74		)	—				—				19,716			(74		)
		$	136,877	$	(988	)	$	5,746			$	(81	)		$	142,623		$	(1,069	)
Schedule of Held-to-maturity Securities	'
	Securities—Held-to-Maturity:  The amortized cost and estimated fair value of securities—held-to-maturity at September 30, 2013 and December 31, 2012 are summarized as follows (dollars in thousands):
		September 30, 2013
		Amortized Cost		Gross			Gross				Fair Value				Percent of
				Unrealized			Unrealized								Total Amortized
				Gains			Losses								Cost
	U.S. Government and agency obligations	$	1,195	$	—		$	(62	)		$	1,133			1.2	%
	Municipal bonds:
	Taxable	10,949		237			(182		)		11,004				11.3
	Tax exempt	80,583		3,080			(1,203		)		82,460				83.6
	Total municipal bonds	91,532		3,317			(1,385		)		93,464				94.9
	Corporate bonds	2,050		—			—				2,050				2.1
	Mortgage-backed or related securities:
	Multifamily agency guaranteed	1,768		—			(14		)		1,754				1.8
	Total mortgage-backed or related securities	1,768		—			(14		)		1,754				1.8
		$	96,545	$	3,317		$	(1,461	)		$	98,401			100	%
		December 31, 2012
		Amortized Cost		Gross			Gross				Fair Value				Percent of
				Unrealized			Unrealized								Total Amortized
				Gains			Losses								Cost
	Municipal bonds:
	Taxable	$	10,326	$	436		$	(157	)		$	10,605			11.9	%
	Tax exempt	74,076		5,757			(30		)		79,803				85.7
	Total municipal bonds	84,402		6,193			(187		)		90,408				97.6
	Corporate bonds	2,050		—			—				2,050				2.4
		$	86,452	$	6,193		$	(187	)		$	92,458			100	%
Schedule of Held-to-maturity Securities with Continuous Loss Position	'
	At September 30, 2013 and December 31, 2012, an age analysis of unrealized losses and fair value of related securities—held-to-maturity was as follows (in thousands):
		September 30, 2013
		Less Than 12 Months					12 Months or More								Total
		Fair Value		Unrealized			Fair Value				Unrealized				Fair Value			Unrealized
				Losses							Losses							Losses
	U.S. Government and agency obligations	$	1,133	$	(62	)	$	—			$	—			$	1,133		$	(62	)
	Municipal bonds:
	Taxable	5,827		(182		)	—				—				5,827			(182		)
	Tax exempt	20,954		(1,203		)	—				—				20,954			(1,203		)
	Total municipal bonds	26,781		(1,385		)	—				—				26,781			(1,385		)
	Mortgage-backed or related securities:
	Multifamily agency guaranteed	1,754		(14		)	—				—				1,754			(14		)
	Total mortgage-backed or related securities	1,754		(14		)	—				—				1,754			(14		)
		$	29,668	$	(1,461	)	$	—			$	—			$	29,668		$	(1,461	)
		December 31, 2012
		Less Than 12 Months					12 Months or More								Total
		Fair Value		Unrealized			Fair Value				Unrealized				Fair Value			Unrealized
				Losses							Losses							Losses
	Municipal bonds:
	Taxable	$	4,137	$	(157	)	$	—			$	—			$	4,137		$	(157	)
	Tax exempt	910		(30		)	—				—				910			(30		)
	Total municipal bonds	$	5,047	$	(187	)	$	—			$	—			$	5,047		$	(187	)
Schedule of Pledged Financial Instruments, Not Separately Reported	'
	The following table presents, as of September 30, 2013, investment securities which were pledged to secure borrowings, public deposits or other obligations as permitted or required by law (in thousands):
		Carrying Value		Amortized Cost			Fair Value
	Purpose or beneficiary:
	State and local governments public deposits	$	107,920	$	107,867		$	110,139
	Interest rate swap counterparties	7,634		7,290			7,634
	Retail repurchase agreements	107,307		107,366			107,307
	Total pledged securities	$	222,861	$	222,523		$	225,080
Trading Securities [Member]	'
Marketable Securities [Line Items]	'
Schedule of Securities by Contractual Maturity Date	'
	The amortized cost and estimated fair value of securities—trading at September 30, 2013 and December 31, 2012, by contractual maturity, are shown below (in thousands).  Expected maturities will differ from contractual maturities because some securities may be called or prepaid with or without call or prepayment penalties.
		September 30, 2013					December 31, 2012
		Amortized Cost		Fair Value			Amortized Cost				Fair Value
	Due in one year or less	$	—	$	—		$	—			$	—
	Due after one year through five years	3,957		4,219			4,496				4,867
	Due after five years through ten years	16,483		17,502			14,251				15,536
	Due after ten years through twenty years	21,947		18,737			12,055				11,346
	Due after twenty years	34,124		23,361			59,523				39,420
		76,511		63,819			90,325				71,169
	Equity securities	14		68			14				63
		$	76,525	$	63,887		$	90,339			$	71,232
Available-for-sale Securities [Member]	'
Marketable Securities [Line Items]	'
Schedule of Securities by Contractual Maturity Date	'
	The amortized cost and estimated fair value of securities—available-for-sale at September 30, 2013 and December 31, 2012, by contractual maturity, are shown below (in thousands).  Expected maturities will differ from contractual maturities because some securities may be called or prepaid with or without call or prepayment penalties.
		September 30, 2013					December 31, 2012
		Amortized Cost		Fair Value			Amortized Cost				Fair Value
	Due in one year or less	$	25,195	$	25,361		$	16,369			$	16,393
	Due after one year through five years	301,409		298,978			205,913				207,147
	Due after five years through ten years	86,050		84,906			132,372				133,407
	Due after ten years through twenty years	13,219		12,856			43,386				43,414
	Due after twenty years	55,994		55,306			71,610				72,559
		$	481,867	$	477,407		$	469,650			$	472,920
Held-to-maturity Securities [Member]	'
Marketable Securities [Line Items]	'
Schedule of Securities by Contractual Maturity Date	'
	The amortized cost and estimated fair value of securities—held-to-maturity at September 30, 2013 and December 31, 2012, by contractual maturity, are shown below (in thousands).  Expected maturities will differ from contractual maturities because some securities may be called or prepaid with or without call or prepayment penalties.
		September 30, 2013					December 31, 2012
		Amortized Cost		Fair Value			Amortized Cost				Fair Value
	Due in one year or less	$	3,185	$	3,201		$	3,323			$	3,410
	Due after one year through five years	12,970		13,410			13,641				14,335
	Due after five years through ten years	15,870		15,880			13,295				13,452
	Due after ten years through twenty years	61,422		63,032			53,031				57,868
	Due after twenty years	3,098		2,878			3,162				3,393
		$	96,545	$	98,401		$	86,452			$	92,458

LOANS_RECEIVABLE_AND_THE_ALLOW1

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Tables)	9 Months Ended
	Sep. 30, 2013
Receivables [Abstract]	'
Schedule of Loans Receivable, Including Loans Held for Sale	'
	Loans receivable, including loans held for sale, at September 30, 2013, December 31, 2012 and September 30, 2012 are summarized as follows (dollars in thousands):
		September 30, 2013							December 31, 2012							September 30, 2012
		Amount				Percent			Amount				Percent			Amount				Percent
						of Total							of Total							of Total
	Commercial real estate:
	Owner-occupied	$	508,341			15.5	%		$	489,581			15.1	%		$	477,871			14.9	%
	Investment properties	613,757				18.8			583,641				18			604,265				18.8
	Multifamily real estate	133,770				4.1			137,504				4.3			138,716				4.3
	Commercial construction	18,730				0.6			30,229				0.9			28,598				0.9
	Multifamily construction	33,888				1			22,581				0.7			14,502				0.5
	One- to four-family construction	194,187				5.9			160,815				5			163,521				5.1
	Land and land development:
	Residential	75,576				2.3			77,010				2.4			79,932				2.5
	Commercial	11,231				0.3			13,982				0.4			14,242				0.4
	Commercial business	635,658				19.4			618,049				19.1			603,606				18.8
	Agricultural business, including secured by farmland	223,187				6.8			230,031				7.1			219,084				6.8
	One- to four-family residential	543,263				16.6			581,670				18			594,413				18.5
	Consumer:
	Consumer secured by one- to four-family	170,019				5.2	%		170,123				5.3	%		171,380				5.3	%
	Consumer-other	113,829				3.5			120,498				3.7			103,393				3.2
	Total loans outstanding	3,275,436				100	%		3,235,714				100	%		3,213,523				100	%
	Less allowance for loan losses	(76,657		)					(77,491		)					(78,783		)
	Net loans	$	3,198,779						$	3,158,223						$	3,134,740
Schedule of Loans Receivable by Geographic Location	'
	The Company’s total loans by geographic concentration at September 30, 2013 were as follows (dollars in thousands):
		Washington				Oregon				Idaho				Other				Total
	Commercial real estate:
	Owner-occupied	$	384,706			$	58,468			$	59,077			$	6,090			$	508,341
	Investment properties	467,161				90,518				50,464				5,614				613,757
	Multifamily real estate	107,744				15,998				9,828				200				133,770
	Commercial construction	9,918				3,942				377				4,493				18,730
	Multifamily construction	22,141				11,747				—				—				33,888
	One- to four-family construction	108,011				84,749				1,427				—				194,187
	Land and land development:
	Residential	45,281				28,973				1,322				—				75,576
	Commercial	5,915				3,379				1,937				—				11,231
	Commercial business	392,741				76,314				62,428				104,175				635,658
	Agricultural business, including secured by farmland	111,795				52,670				58,722				—				223,187
	One- to four-family residential	337,369				180,047				23,846				2,001				543,263
	Consumer:
	Consumer secured by one- to four-family	112,130				44,049				13,195				645				170,019
	Consumer—other	75,307				32,942				5,565				15				113,829
	Total loans	$	2,180,219			$	683,796			$	288,188			$	123,233			$	3,275,436
	Percent of total loans	66.6		%		20.9		%		8.8		%		3.7		%		100		%
Schedule of Land and Land Development Loans Receivable by State	'
	The geographic concentrations of the Company’s land and land development loans by state at September 30, 2013 were as follows (dollars in thousands):
		Washington				Oregon				Idaho				Total
	Residential:
	Acquisition and development	$	17,094			$	9,901			$	1,124			$	28,119
	Improved land and lots	23,201				18,662				198				42,061
	Unimproved land	4,986				410				—				5,396
	Commercial:
	Acquisition and development	—				—				484				484
	Improved land and lots	3,213				525				507				4,245
	Unimproved land	2,702				2,854				946				6,502
	Total land and land development loans	$	51,196			$	32,352			$	3,259			$	86,807
	Percent of land and land development loans	59		%		37.3		%		3.7		%		100		%
Schedule of Adjustable and Fixed Rate Loans by Contractual Maturity Date	'
	The Company originates both adjustable- and fixed-rate loans.  The maturity and repricing composition of those loans, less undisbursed amounts and deferred fees and origination costs, at September 30, 2013, December 31, 2012 and September 30, 2012 were as follows (in thousands):
		September 30, 2013				December 31, 2012				September 30, 2012
	Fixed-rate (term to maturity):
	Maturing in one year or less	$	134,632			$	183,004			$	185,379
	Maturing after one year through three years	139,878				171,724				168,307
	Maturing after three years through five years	205,830				173,251				168,348
	Maturing after five years through ten years	208,625				167,858				165,973
	Maturing after ten years	406,715				473,927				456,758
	Total fixed-rate loans	1,095,680				1,169,764				1,144,765
	Adjustable-rate (term to rate adjustment):
	Maturing or repricing in one year or less	1,290,793				1,260,472				1,283,783
	Maturing or repricing after one year through three years	274,789				275,223				291,778
	Maturing or repricing after three years through five years	527,999				467,895				441,773
	Maturing or repricing after five years through ten years	84,399				60,316				45,951
	Maturing or repricing after ten years	1,776				2,044				5,473
	Total adjustable-rate loans	2,179,756				2,065,950				2,068,758
	Total loans	$	3,275,436			$	3,235,714			$	3,213,523
Schedule of Impaired Loans and Related Allocated Reserve for Loan Losses	'
	The amount of impaired loans and the related allocated reserve for loan losses as of September 30, 2013 and December 31, 2012 were as follows (in thousands):
		September 30, 2013								December 31, 2012
		Loan Amount				Allocated Reserves				Loan Amount				Allocated
														Reserves
	Impaired loans:
	Nonaccrual loans
	Commercial real estate:
	Owner-occupied	$	2,798			$	38			$	4,105			$	618
	Investment properties	1,965				97				2,474				56
	Multifamily real estate	333				59				—				—
	One- to four-family construction	910				81				1,565				326
	Land and land development:
	Residential	750				—				2,061				323
	Commercial	—				—				46				12
	Commercial business	963				151				4,750				344
	One- to four-family residential	10,717				307				12,964				520
	Consumer:
	Consumer secured by one- to four-family	940				16				2,073				41
	Consumer—other	693				3				1,323				16
	Total nonaccrual loans	20,069				752				31,361				2,256
	Past due and still accruing	4,793				409				3,029				62
	Troubled debt restructuring on accrual status:
	Commercial real estate:
	Owner-occupied	186				4				188				4
	Investment properties	5,456				455				7,034				664
	Multifamily real estate	5,810				1,256				7,131				1,665
	One- to four-family construction	7,285				1,070				6,726				1,115
	Land and land development:
	Residential	5,230				1,112				4,842				667
	Commercial business	1,115				203				2,975				610
	One- to four-family residential	24,469				1,374				27,540				1,228
	Consumer:
	Consumer secured by one- to four-family	411				29				538				29
	Consumer—other	468				56				488				38
	Total troubled debt restructurings on accrual status	50,430				5,559				57,462				6,020
	Total impaired loans	$	75,292			$	6,720			$	91,852			$	8,338
Schedule of Impaired Loans With and Without Specific Reserves	'
	The following tables provide additional information on impaired loans with and without specific allowance reserves at or for the nine months ended September 30, 2013 and at or for the year ended December 31, 2012 (in thousands):
		At or For the Nine Months Ended September 30, 2013
		Recorded				Unpaid				Related				Average				Interest
		Investment				Principal				Allowance				Recorded				Income
						Balance								Investment				Recognized
	Without a specific allowance reserve (1)
	Commercial real estate:
	Owner-occupied	$	803			$	1,003			$	38			$	879			$	—
	Investment properties	466				1,011				97				684				—
	Multifamily real estate	2,034				2,034				359				2,053				58
	One- to four-family construction	561				737				81				578				—
	Land and land development:
	Residential	242				243				87				246				13
	Commercial business	2,697				3,238				165				3,083				1
	One- to four-family residential	7,538				8,024				49				7,681				37
	Consumer:
	Consumer secured by one- to four-family	917				1,062				17				940				—
	Consumer—other	508				658				3				532				1
		15,766				18,010				896				16,676				110
	With a specific allowance reserve (2)
	Commercial real estate:
	Owner-occupied	$	2,182			$	2,182			$	4			$	2,203			$	9
	Investment properties	6,955				7,941				455				7,598				242
	Multifamily real estate	5,810				5,810				1,256				5,689				218
	One- to-four family construction	7,634				7,634				1,070				6,326				180
	Land and land development:
	Residential	5,980				6,316				1,112				6,326				198
	Commercial business	1,115				1,115				203				1,147				39
	One- to four-family residential	28,711				29,778				1,639				29,893				786
	Consumer:
	Consumer secured by one- to four-family	457				457				29				530				19
	Consumer—other	682				698				56				698				27
		59,526				61,931				5,824				60,410				1,718
	Total
	Commercial real estate:
	Owner-occupied	$	2,985			$	3,185			$	42			$	3,082			$	9
	Investment properties	7,421				8,952				552				8,282				242
	Multifamily real estate	7,844				7,844				1,615				7,742				276
	One- to four-family construction	8,195				8,371				1,151				6,904				180
	Land and land development:
	Residential	6,222				6,559				1,199				6,572				211
	Commercial business	3,812				4,353				368				4,230				40
	One- to four-family residential	36,249				37,802				1,688				37,574				823
	Consumer:
	Consumer secured by one- to four-family	1,374				1,519				46				1,470				19
	Consumer—other	1,190				1,356				59				1,230				28
		$	75,292			$	79,941			$	6,720			$	77,086			$	1,828
		At or For the Year Ended December 31, 2012
		Recorded				Unpaid				Related				Average				Interest
		Investment				Principal				Allowance				Recorded				Income
						Balance								Investment				Recognized
	Without a specific allowance reserve (1)
	Commercial real estate:
	Owner-occupied	$	1,300			$	1,551			$	103			$	1,470			$	—
	Investment properties	624				861				90				735				17
	Multifamily real estate	2,131				2,131				392				2,136				113
	One- to four-family construction	4,460				4,460				571				3,335				145
	Land and land development:
	Residential	2,122				2,587				404				2,948				73
	Commercial	46				46				12				46				—
	Commercial business	4,352				4,970				821				2,121				154
	One- to four-family residential	10,886				12,004				150				11,458				44
	Consumer:
Consumer secured by one- to four-family	1,641				2,335				54				1,966				14
Consumer—other	1,167				1,275				16				1,297				5
	28,729				32,220				2,613				27,512				565
With a specific allowance reserve (2)
Commercial real estate:
Owner-occupied	$	2,993			$	2,993			$	518			$	3,113			$	—
Investment properties	8,884				10,120				630				9,449				229
Multifamily real estate	5,000				5,000				1,273				5,000				295
One- to-four family construction	3,831				3,831				870				3,611				194
Land and land development:
Residential	4,782				4,782				586				5,039				185
Commercial	—				—				—				—				—
Commercial business	3,373				3,734				134				3,931				6
One- to four-family residential	32,494				33,672				1,656				33,100				1,259
Consumer:
Consumer secured by one- to four-family	1,042				1,140				26				1,074				15
Consumer—other	724				740				32				754				—
	63,123				66,012				5,725				65,071				2,183
Total
Commercial real estate
Owner-occupied	$	4,293			$	4,544			$	621			$	4,583			$	—
Investment properties	9,508				10,981				720				10,184				246
Multifamily real estate	7,131				7,131				1,665				7,136				408
One- to four-family construction	8,291				8,291				1,441				6,946				339
Land and land development
Residential	6,904				7,369				990				7,987				258
Commercial	46				46				12				46				—
Commercial business	7,725				8,704				955				6,052				160
One- to four-family residential	43,380				45,676				1,806				44,558				1,303
Consumer
Consumer secured by one- to four-family	2,683				3,475				80				3,040				29
Consumer—other	1,891				2,015				48				2,051				5
	$	91,852			$	98,232			$	8,338			$	92,583			$	2,748
(1)	Loans without a specific allowance reserve have not been individually evaluated for impairment, but have been included in pools of homogeneous loans for evaluation of related allowance reserves.
(2)	Loans with a specific allowance reserve have been individually evaluated for impairment using either a discounted cash flow analysis or, for collateral dependent loans, current appraisals to establish realizable value.  These analyses may identify a specific impairment amount needed or may conclude that no reserve is needed.  Any specific impairment that is identified is included in the category’s Related Allowance column.
Schedule of Troubled Debt Restructurings	'
	The following tables present TDRs at September 30, 2013 and December 31, 2012 (in thousands):
		September 30, 2013
		Accrual				Nonaccrual				Total
		Status				Status				Modifications
	Commercial real estate:
	Owner-occupied	$	186			$	620			$	806
	Investment properties	5,456				1,563				7,019
	Multifamily real estate	5,810				—				5,810
	One- to four-family construction	7,285				712				7,997
	Land and land development:
	Residential	5,230				—				5,230
	Commercial business	1,115				322				1,437
	One- to four-family residential	24,469				2,146				26,615
	Consumer:
	Consumer secured by one- to four-family	411				254				665
	Consumer—other	468				129				597
		$	50,430			$	5,746			$	56,176
		December 31, 2012
		Accrual				Nonaccrual				Total
		Status				Status				Modifications
	Commercial real estate:
	Owner-occupied	$	188			$	1,551			$	1,739
	Investment properties	7,034				1,514				8,548
	Multifamily real estate	7,131				—				7,131
	One- to four-family construction	6,726				1,044				7,770
	Land and land development:
	Residential	4,842				15				4,857
	Commercial business	2,975				247				3,222
	One- to four-family residential	27,540				2,703				30,243
	Consumer:
	Consumer secured by one- to four-family	538				496				1,034
	Consumer—other	488				396				884
		$	57,462			$	7,966			$	65,428
Schedule of Newly Restructured Loans	'
	The following tables present new TDRs that occurred during the three and nine months ended September 30, 2013 and 2012 (dollars in thousands):
		Three Months Ended September 30, 2013											Nine Months Ended September 30, 2013
		Number of			Pre-				Post-				Number of			Pre-				Post-
		Contracts			modification Outstanding				modification				Contracts			modification Outstanding				modification Outstanding
					Recorded				Outstanding							Recorded				Recorded
					Investment				Recorded							Investment				Investment
									Investment
	Recorded Investment (1) (2)
	Multifamily real estate	—			$	—			$	—			1			$	376			$	376
	One- to four-family construction	3			773				773				11			3,008				3,008
	Land and land development—residential	2			1,029				1,029				2			1,029				1,029
		5			$	1,802			$	1,802			24			$	7,336			$	7,336
		Three Months Ended September 30, 2012											Nine Months Ended September 30, 2012
		Number of			Pre-				Post-				Number of			Pre-				Post-
		Contracts			modification Outstanding				modification				Contracts			modification Outstanding				modification Outstanding
					Recorded				Outstanding							Recorded				Recorded
					Investment				Recorded							Investment				Investment
									Investment
	Recorded Investment (1) (2)
	Commercial real estate
	Owner-occupied	1			$	946			$	946			1			$	946			$	946
	Investment properties	3			2,784				2,784				6			3,708				3,708
	Multifamily real estate	—			—				—				2			5,054				5,054
	One- to four-family construction	11			1,711				1,711				19			4,504				4,504
	Land and land development—residential	—			—				—				6			2,059				2,059
	Commercial business	3			94				94				9			1,309				1,309
	One- to four-family residential	1			153				153				18			9,182				9,182
	Consumer secured by one- to	—			—				—				1			151				151
	four-family
	Consumer-other	—			—				—				3			220				220
		19			$	5,688			$	5,688			65			$	27,133			$	27,133
	(1)	Since most loans were already considered classified and/or on nonaccrual status prior to restructuring, the modifications did not have a material effect on the Company’s determination of the allowance for loan losses.
	(2)	The majority of these modifications do not fit into one separate type, such as rate, term, amount, interest-only or payment, but instead are a combination of multiple types of modifications; therefore, they are disclosed in aggregate.
Schedule of Troubled Debt Restructurings Which Incurred A Payment Default	'
	The following table presents TDRs which incurred a payment default within twelve months of the restructure date during the three-month and nine-month periods ended September 30, 2013 and 2012 (in thousands).  A default on a TDR results in either a transfer to nonaccrual status or a partial charge-off:
		Three Months Ended								Nine Months Ended
		30-Sep								30-Sep
		2013				2012				2013				2012
	Commercial real estate:
	Owner occupied	$	—			$	—			$	—			$	1,358
	Commercial business	137				—				137				—
	One- to four-family residential	—				—				—				559
	Total	$	137			$	—			$	137			$	1,917
Schedule of the Company's Portfolio of Risk-Rated Loans and Non-Risk Rated Loans by Grade and Other Characteristics	'
	The following table shows the Company’s portfolio of risk-rated loans and non-risk-rated loans by grade or other characteristics as of September 30, 2013 and December 31, 2012 (in thousands):
		September 30, 2013
		Commercial				Multifamily				Construction and Land				Commercial Business				Agricultural				One- to Four-			Consumer			Total Loans
		Real Estate				Real Estate												Business				Family Residential
	Risk-rated loans:
	Pass (Risk Ratings 1-5) (1)	$	1,084,540			$	126,360			$	313,108			$	611,668			$	212,012			$	527,655		$	279,908		$	3,155,251
	Special mention	6,033				—				481				5,802				621				—			139			13,076
	Substandard	30,981				7,410				20,023				18,179				10,554				15,608			3,801			106,556
	Doubtful	544				—				—				9				—				—			—			553
	Loss	—				—				—				—				—				—			—			—
	Total loans	$	1,122,098			$	133,770			$	333,612			$	635,658			$	223,187			$	543,263		$	283,848		$	3,275,436
	Performing loans	$	1,117,336			$	131,736			$	331,710			$	634,671			$	223,187			$	529,772		$	282,162		$	3,250,574
	Non-performing loans (2)	4,762				2,034				1,902				987				—				13,491			1,686			24,862
	Total loans	$	1,122,098			$	133,770			$	333,612			$	635,658			$	223,187			$	543,263		$	283,848		$	3,275,436
		December 31, 2012
		Commercial				Multifamily				Construction and Land				Commercial Business				Agricultural Business				One- to Four-Family Residential			Consumer			Total Loans
		Real Estate				Real Estate
	Risk-rated loans:
	Pass (Risk Ratings 1-5) (1)	$	1,016,964			$	130,815			$	274,407			$	581,846			$	228,304			$	560,781		$	284,816		$	3,077,933
	Special mention	14,332				—				3,146				7,905				713				438			148			26,682
	Substandard	41,382				6,689				27,064				28,287				1,014				20,451			5,657			130,544
	Doubtful	544				—				—				11				—				—			—			555
	Loss	—				—				—				—				—				—			—			—
	Total loans	$	1,073,222			$	137,504			$	304,617			$	618,049			$	230,031			$	581,670		$	290,621		$	3,235,714
	Performing loans	$	1,066,643			$	137,504			$	300,945			$	613,299			$	230,031			$	565,829		$	287,073		$	3,201,324
	Non-performing loans (2)	6,579				—				3,672				4,750				—				15,841			3,548			34,390
	Total loans	$	1,073,222			$	137,504			$	304,617			$	618,049			$	230,031			$	581,670		$	290,621		$	3,235,714
	(1)	The Pass category includes some performing loans that are part of homogenous pools which are not individually risk-rated.  This includes all consumer loans, all one- to four-family residential loans and, as of September 30, 2013 and December 31, 2012, in the commercial business category, $81 million and $77 million, respectively, of credit-scored small business loans.  As loans in these pools become non-performing, they are individually risk-rated.
	(2)	Non-performing loans include non-accrual loans and loans past due greater than 90 days and on accrual status.
Schedule of Age Analysis of the Company's Past Due Loans	'
	The following tables provide additional detail on the age analysis of the Company’s past due loans as of September 30, 2013 and December 31, 2012 (in thousands):
		September 30, 2013
		30-59 Days				60-89 Days				90 Days or More Past Due				Total Past				Current				Total Loans			Loans 90 Days or More Past Due and Accruing
		Past Due				Past Due								Due
	Commercial real estate:
	Owner-occupied	$	2,374			$	1,675			$	1,386			$	5,435			$	502,906			$	508,341		$	—
	Investment properties	92				—				1,499				1,591				612,166				613,757			—
	Multifamily real estate	—				—				1,701				1,701				132,069				133,770			1,701
	Commercial construction	—				—				—				—				18,730				18,730			—
	Multifamily construction	—				—				—				—				33,888				33,888			—
	One-to-four-family construction	—				—				910				910				193,277				194,187			—
	Land and land development:
	Residential	—				—				993				993				74,583				75,576			242
	Commercial	—				—				—				—				11,231				11,231			—
	Commercial business	421				57				516				994				634,664				635,658			24
	Agricultural business, including secured by farmland	—				108				—				108				223,079				223,187			—
	One- to four-family residential	1,042				5,129				7,558				13,729				529,534				543,263			2,774
	Consumer:
	Consumer secured by one- to four-family	459				749				283				1,491				168,528				170,019			23
	Consumer—other	319				58				475				852				112,977				113,829			29
	Total	$	4,707			$	7,776			$	15,321			$	27,804			$	3,247,632			$	3,275,436		$	4,793
		31-Dec-12
		30-59 Days				60-89 Days				90 Days or More Past Due				Total Past				Current				Total Loans			Loans 90 Days or More Past Due and Accruing
		Past Due				Past Due								Due
	Commercial real estate:
	Owner-occupied	$	1,693			$	—			$	1,371			$	3,064			$	486,517			$	489,581		$	—
	Investment properties	743				—				1,431				2,174				581,467				583,641			—
	Multifamily real estate	—				—				—				—				137,504				137,504			—
	Commercial construction	—				—				—				—				30,229				30,229			—
	Multifamily construction	—				—				—				—				22,581				22,581			—
	One-to-four-family construction	611				—				—				611				160,204				160,815			—
	Land and land development:
	Residential	—				—				2,047				2,047				74,963				77,010			—
	Commercial	2,083				—				45				2,128				11,854				13,982			—
	Commercial business	1,849				49				842				2,740				615,309				618,049			—
	Agricultural business, including secured by farmland	—				—				—				—				230,031				230,031			—
	One-to four-family residential	1,376				3,468				11,488				16,332				565,338				581,670			2,877
	Consumer:
	Consumer secured by one- to four-family	699				74				1,204				1,977				168,146				170,123			—
	Consumer—other	816				673				839				2,328				118,170				120,498			152
	Total	$	9,870			$	4,264			$	19,267			$	33,401			$	3,202,313			$	3,235,714		$	3,029
Allowance for Credit Losses on Financing Receivables	'
	The following tables provide additional information on the allowance for loan losses and loan balances individually and collectively evaluated for impairment at or for the three months and nine months ended September 30, 2013 and 2012 (in thousands):
		For the Three Months Ended September 30, 2013
		Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and Unallocated			Total
		Real Estate												Business				business				Family
	Allowance for loan losses:
	Beginning balance	$	14,898			$	4,973			$	16,625			$	10,806			$	3,805			$	14,974		$	1,011		$	9,761		$	76,853
	Provision for loan losses	1,239				310				(464		)		(223		)		(411		)		(1,599		)	43			1,105			—
	Recoveries	331				—				507				339				265				19			68			—			1,529
	Charge-offs	(850		)		—				—				(246		)		(248		)		(207		)	(174		)	—			(1,725		)
	Ending balance	$	15,618			$	5,283			$	16,668			$	10,676			$	3,411			$	13,187		$	948		$	10,866		$	76,657
		For the Nine Months Ended September 30, 2013
		Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and Unallocated			Total
		Real Estate												Business				business				Family
	Allowance for loan losses:
	Beginning balance	$	15,322			$	4,506			$	14,991			$	9,957			$	2,295			$	16,475		$	1,348		$	12,597		$	77,491
	Provision for loan losses	(383		)		777				1,586				901				752				(2,166		)	264			(1,731		)	—
	Recoveries	2,295				—				945				1,391				612				138			287			—			5,668
	Charge-offs	(1,616		)		—				(854		)		(1,573		)		(248		)		(1,260		)	(951		)	—			(6,502		)
	Ending balance	$	15,618			$	5,283			$	16,668			$	10,676			$	3,411			$	13,187		$	948		$	10,866		$	76,657
		At September 30, 2013
		Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and Unallocated			Total
		Real Estate												Business				business				Family
	Allowance individually evaluated for impairment	$	459			$	1,256			$	2,182			$	202			$	—			$	1,639		$	85		$	—		$	5,823
	Allowance collectively evaluated for impairment	15,159				4,027				14,486				10,474				3,411				11,548			863			10,866			70,834
	Total allowance for loan losses	$	15,618			$	5,283			$	16,668			$	10,676			$	3,411			$	13,187		$	948		$	10,866		$	76,657
		At September 30, 2013
		Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and Unallocated			Total
		Real Estate												Business				business				Family
	Loan balances:
	Loans individually evaluated for impairment	$	9,137			$	5,810			$	13,613			$	1,115			$	—			$	28,711		$	1,139		$	—		$	59,525
	Loans collectively evaluated for impairment	1,112,961				127,960				319,999				634,543				223,187				514,552			282,709			—			3,215,911
	Total loans	$	1,122,098			$	133,770			$	333,612			$	635,658			$	223,187			$	543,263		$	283,848		$	—		$	3,275,436
		For the Three Months Ended September 30, 2012
		Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and			Total
		Real Estate												Business				business				Family						Unallocated
	Allowance for loan losses:
	Beginning balance	$	16,834			$	5,108			$	16,974			$	12,352			$	1,294			$	14,213		$	1,365		$	12,081		$	80,221
	Provision for loan losses	(263		)		(367		)		(628		)		(118		)		1,044				2,614			814			(96		)	3,000
	Recoveries	130				—				35				154				30				34			91			—			474
	Charge-offs	(924		)		—				(617		)		(1,687		)		(26		)		(709		)	(949		)	—			(4,912		)
	Ending balance	$	15,777			$	4,741			$	15,764			$	10,701			$	2,342			$	16,152		$	1,321		$	11,985		$	78,783
		At For the Nine Months Ended September 30, 2012
		Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and			Total
		Real Estate												Business				business				Family						Unallocated
	Allowance for loan losses:
	Beginning balance	$	16,457			$	3,952			$	18,184			$	15,159			$	1,548			$	12,299		$	1,253		$	14,060		$	82,912
	Provision for loan losses	2,065				789				1,369				(97		)		1,050				7,021			1,878			(2,075		)	12,000
	Recoveries	762				—				1,455				1,030				45				412			422			—			4,126
	Charge-offs	(3,507		)		—				(5,244		)		(5,391		)		(301		)		(3,580		)	(2,232		)	—			(20,255		)
	Ending balance	$	15,777			$	4,741			$	15,764			$	10,701			$	2,342			$	16,152		$	1,321		$	11,985		$	78,783
		At September 30, 2012
		Commercial				Multifamily				Construction and Land				Commercial				Agricultural				One- to Four-			Consumer			Commitments and			Total
		Real Estate												Business				business				Family						Unallocated
	Allowance individually evaluated for impairment	$	955			$	1,414			$	1,439			$	383			$	—			$	1,139		$	33		$	—		$	5,363
	Allowance collectively evaluated for impairment	14,822				3,327				14,325				10,318				2,342				15,013			1,288			11,985			73,420
	Total allowance for loan losses	$	15,777			$	4,741			$	15,764			$	10,701			$	2,342			$	16,152		$	1,321		$	11,985		$	78,783
		At September 30, 2012
										Construction and Land												One- to Four-						Commitments and Unallocated
		Commercial Real Estate				Multifamily								Commercial Business				Agricultural business				Family			Consumer						Total
	Loan balances:
	Loans individually evaluated for impairment	$	11,867			$	5,000			$	14,020			$	6,115			$	—			$	20,719		$	1,026		$	—		$	58,747
	Loans collectively evaluated for  impairment	1,070,269				133,716				286,775				597,491				219,084				573,694			273,747			—			3,154,776
	Total loans	$	1,082,136			$	138,716			$	300,795			$	603,606			$	219,084			$	594,413		$	274,773		$	—		$	3,213,523

REAL_ESTATE_OWNED_NET_Tables

REAL ESTATE OWNED, NET (Tables)	9 Months Ended
	Sep. 30, 2013
Real Estate [Abstract]	'
Schedule of Changes in Real Estate Owned, Net of Valuation Adjustments	'
	The following table presents the changes in REO, net of valuation adjustments, for the three and nine months ended September 30, 2013 and 2012 (in thousands):
		Three Months Ended						Nine Months Ended
		30-Sep						30-Sep
		2013			2012			2013			2012
	Balance, beginning of the period	$	6,714		$	25,816		$	15,778		$	42,965
	Additions from loan foreclosures	963			3,111			2,467			11,598
	Additions from capitalized costs	297			97			344			231
	Dispositions of REO	(3,970		)	(10,368		)	(15,758		)	(33,608		)
	Gain on sale of REO	1,005			2,955			2,477			3,621
	Valuation adjustments in the period	(191		)	(1,255		)	(490		)	(4,451		)
	Balance, end of the period	$	4,818		$	20,356		$	4,818		$	20,356
Schedule of Real Estate Owned by Type and Geographic Location by State	'
	The following table shows REO by type and geographic location by state as of September 30, 2013 (in thousands):
		Washington			Oregon			Idaho			Total
	Commercial real estate	$	—		$	—		$	199		$	199
	Land development—residential	1,179			1,819			69			3,067
	One- to four-family real estate	1,197			355			—			1,552
	Balance, end of period	$	2,376		$	2,174		$	268		$	4,818

INTANGIBLE_ASSETS_AND_MORTGAGE1

INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Tables)	9 Months Ended
	Sep. 30, 2013
Other Intangible Assets and Mortgage Servicing Rights [Abstract]	'
Schedule of Changes in Intangible Assets	'
	The following table summarizes the changes in the Company’s core deposit intangibles and other intangibles for the nine months ended September 30, 2013 and the year ended December 31, 2012 (in thousands):
		Core Deposit Intangibles
	Balance, December 31, 2012	$	4,230
	Additions through acquisitions	160
	Amortization	(1,453		)
	Balance, September 30, 2013	$	2,937
		Core Deposit Intangibles
	Balance, December 31, 2011	$	6,322
	Amortization	(2,092		)
	Balance, December 31, 2012	$	4,230
Schedule of Estimated Annual Amortization Expense	'
	The following table presents the future estimated annual amortization expense with respect to intangibles as of December 31, 2012 (in thousands):
	Year Ended		Core Deposit
			Intangibles
	December 31, 2013		$	1,941
	December 31, 2014		1,800
	December 31, 2015		640
	December 31, 2016		$	9
			$	4,390
Schedule of Servicing Assets at Amortized Value	'
	An analysis of our mortgage servicing rights for the three and nine months ended September 30, 2013 and 2012 is presented below (in thousands):
		Three Months Ended						Nine Months Ended
		30-Sep						30-Sep
		2013			2012			2013			2012
	Balance, beginning of the period	$	7,036		$	6,202		$	6,244		$	5,584
	Amounts capitalized	769			931			2,352			2,784
	Amortization (1)	(520		)	(682		)	(1,911		)	(1,917		)
	Valuation adjustments in the period	400			—			1,000			—
	Balance, end of the period (2)	$	7,685		$	6,451		$	7,685		$	6,451
	(1)	Amortization of mortgage servicing rights is recorded as a reduction of loan servicing income and any unamortized balance is fully written off if the loan repays in full.
	(2)	Balances as of September 30, 2013 and 2012 are net of valuation allowances of $300,000 and $900,000, respectively.

DEPOSITS_AND_CUSTOMER_REPURCHA1

DEPOSITS AND CUSTOMER REPURCHASE AGREEMENTS (Tables)	9 Months Ended
	Sep. 30, 2013
Banking and Thrift [Abstract]	'
Schedule of Deposit Liabilities	'
	Deposits consisted of the following at September 30, 2013, December 31, 2012 and September 30, 2012 (dollars in thousands):
		September 30, 2013						December 31, 2012							September 30, 2012
		Amount			Percent			Amount				Percent			Amount		Percent
					of Total							of Total					of Total
	Non-interest-bearing accounts	$	1,051,831		29.7	%		$	981,240			27.6	%		$	918,962	26.3	%
	Interest-bearing checking	399,343			11.3			410,316				11.5			379,650		10.9
	Regular savings accounts	775,260			21.9			727,957				20.5			689,322		19.8
	Money market accounts	408,827			11.6			408,998				11.5			411,262		11.8
	Total transaction and saving accounts	2,635,261			74.5			2,528,511				71.1			2,399,196		68.8
	Certificates which mature or reprice:
	Within 1 year	667,444			18.9			759,626				21.3			818,283		23.5
	After 1 year, but within 3 years	183,411			5.2			209,790				5.9			205,030		5.9
	After 3 years	49,169			1.4			59,877				1.7			63,863		1.8
	Total certificate accounts	900,024			25.5			1,029,293				28.9			1,087,176		31.2
	Total deposits	$	3,535,285		100	%		$	3,557,804			100	%		$	3,486,372	100	%
	Included in total deposits:
	Public fund transaction accounts	$	70,470		2	%		$	79,955			2.2	%		$	72,407	2	%
	Public fund interest-bearing certificates	51,562			1.5	%		60,518				1.7	%		61,628		1.8	%
	Total public deposits	$	122,032		3.5	%		$	140,473			3.9	%		$	134,035	3.8	%
	Total brokered deposits	$	4,531		0.1	%		$	15,702			0.4	%		$	21,403	0.6	%
	Included in total deposits are certificate of deposit accounts in excess of $100,000 totaling $499 million and $571 million at September 30, 2013 and December 31, 2012, respectively.
Schedule of Deposit Liabilities by Geographic Concentration	'
	The following table presents the geographic concentration of deposits at September 30, 2013 (in thousands):
		Washington			Oregon				Idaho				Total
	Total deposits	$	2,679,104		$	610,205			$	245,976			$	3,535,285
	Percent of total deposits	75.8		%	17.3		%		6.9		%		100		%
Schedule of Repurchase Agreements	'
	The following table presents retail repurchase agreement balances as of September 30, 2013, December 31, 2012 and September 30, 2012 (in thousands):
		September 30, 2013			December 31, 2012				September 30, 2012
	Retail repurchase agreements	$	82,909		$	76,633			$	82,275

FAIR_VALUE_ACCOUNTING_AND_MEAS1

FAIR VALUE ACCOUNTING AND MEASUREMENT (Tables)	9 Months Ended
	Sep. 30, 2013
Fair Value Disclosures [Abstract]	'
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis	'
	The following tables present financial assets and liabilities measured at fair value on a recurring basis and the level within the fair value hierarchy of the fair value measurements for those assets as of September 30, 2013 and December 31, 2012 (in thousands):
		September 30, 2013
		Level 1				Level 2		Level 3			Total
	Assets:
	Securities—available-for-sale
	U.S. Government and agency	$	—			$	58,768	$	—		$	58,768
	Municipal bonds	—				55,315		—			55,315
	Corporate bonds	—				9,000		—			9,000
	Mortgage-backed or related securities	—				329,075		—			329,075
	Asset-backed securities	—				25,249		—			25,249
		—				477,407		—			477,407
	Securities—trading
	U.S. Government and agency	—				1,510		—			1,510
	Municipal bonds	—				4,987		—			4,987
	TPS and TRUP CDOs	—				—		35,095			35,095
	Mortgage-backed or related securities	—				22,227		—			22,227
	Equity securities and other	—				68		—			68
		—				28,792		35,095			63,887
	Derivatives
	Interest rate lock commitments	—				494		—			494
	Interest rate swaps	—				4,615		—			4,615
		$	—			$	511,308	$	35,095		$	546,403
	Liabilities:
	Advances from FHLB at fair value	$	—			$	20,258	$	—		$	20,258
	Junior subordinated debentures net of unamortized deferred issuance costs at fair value	—				—		73,637			73,637
	Derivatives
	Interest rate sales forward commitments, net	—				474		—			474
	Interest rate swaps	—				4,615		—			4,615
		$	—			$	25,347	$	73,637		$	98,984
		December 31, 2012
		Level 1				Level 2		Level 3			Total
	Assets:
	Securities—available-for-sale
	U.S. Government and agency	$	—			$	96,980	$	—		$	96,980
	Municipal bonds	—				44,938		—			44,938
	Corporate bonds	—				10,729		—			10,729
	Mortgage-backed or related securities	—				277,757		—			277,757
	Asset-backed securities	—				42,516		—			42,516
		—				472,920		—			472,920
	Securities—trading
	U.S. Government and agency	—				1,637		—			1,637
	Municipal bonds	—				5,684		—			5,684
	TPS and TRUP CDOs	—				—		35,741			35,741
	Mortgage-backed or related securities	—				28,107		—			28,107
	Equity securities and other	—				63		—			63
		—				35,491		35,741			71,232
	Derivatives
	Interest rate lock commitments	—				510		—			510
	Interest rate swaps	—				8,353		—			8,353
		$	—			$	517,274	$	35,741		$	553,015
	Liabilities:
	Advances from FHLB at fair value	$	—			$	10,304	$	—		$	10,304
	Junior subordinated debentures net of unamortized deferred issuance costs at fair value	—				—		73,063			73,063
	Derivatives
	Interest rate sales forward commitments, net	—				195		—			195
	Interest rate swaps	—				8,353		—			8,353
		$	—			$	18,852	$	73,063		$	91,915
Schedule of Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation	'
	The following table provides a reconciliation of the assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three and nine months ended September 30, 2013 and 2012 (in thousands):
		Three Months Ended						Nine Months Ended
		September 30, 2013						September 30, 2013
		Level 3 Fair Value Inputs						Level 3 Fair Value Inputs
		TPS and TRUP				Borrowings—		TPS and TRUP			Borrowings—
		CDOs				Junior		CDOs			Junior
						Subordinated					Subordinated
						Debentures					Debentures
	Beginning balance	$	35,105			$	73,471	$	35,741		$	73,063
	Total gains or losses recognized
	Assets gains (losses), including OTTI	(10		)		—		(646		)	—
	Liabilities (gains) losses	—				166		—			574
	Ending balance at September 30, 2013	$	35,095			$	73,637	$	35,095		$	73,637
		Three Months Ended						Nine Months Ended
		September 30, 2012						September 30, 2012
		Level 3 Fair Value Inputs						Level 3 Fair Value Inputs
		TPS and TRUP				Borrowings—		TPS and TRUP			Borrowings—
		CDOs				Junior		CDOs			Junior
						Subordinated					Subordinated
						Debentures					Debentures
	Beginning balance	$	32,493			$	70,553	$	30,455		$	49,988
	Total gains or losses recognized
	Assets gains (losses), including OTTI	2,687				—		4,725			—
	Liabilities (gains) losses	—				2,518		—			23,083
	Ending balance at September 30, 2012	$	35,180			$	73,071	$	35,180		$	73,071
Schedule of Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis	'
	The following tables present financial assets measured at fair value on a non-recurring basis and the level within the fair value hierarchy of the fair value measurements for those assets as of September 30, 2013 and December 31, 2012 (in thousands):
		At or For the Nine Months Ended September 30, 2013
		Level 1				Level 2		Level 3			Total		Net Gains/(Losses) Recognized During the Period
	Impaired loans	$	—			$	—	$	50,875		$	50,875	$	(4,648	)
	REO	—				—		4,818			4,818		(557		)
	MSRs	—				—		7,684			7,684		1,000
		At or For the Year Ended December 31, 2012
		Level 1				Level 2		Level 3			Total		Net Gains/(Losses) Recognized During the Period
	Impaired loans	$	—			$	—	$	52,475		$	52,475	$	(6,381	)
	REO	—				—		15,778			15,778		(1,915		)
	MSRs	—				—		6,244			6,244		(400		)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques	'
	The following table provides a description of the valuation technique, unobservable inputs, and qualitative information about the unobservable inputs for the Company's assets and liabilities classified as Level 3 and measured at fair value on a recurring and nonrecurring basis at September 30, 2013:
	Financial Instruments		Valuation Techniques		Unobservable Inputs		Weighted Average Rate
	TPS		Discounted cash flows		Discount rate		5.50%
	TRUP CDOs		Discounted cash Flows		Discount rate		3.11%
	Junior Subordinated Debentures		Discounted cash flows		Discount rate		5.50%
	Impaired loans		Discounted cash flows		Discount rate		Various
			Collateral Valuations		Market values		n/a
	REO		Appraisals		Market values		n/a
	MSRs		Discounted cash flows		Prepayment rate		12.37%
					Discount rate		10.09%
Schedule of Fair Value of Financial Instruments, by Balance Sheet Grouping	'
	The estimated fair value of financial instruments is as follows (in thousands):
		September 30, 2013						December 31, 2012
		Carrying				Estimated Fair		Carrying			Estimated Fair
		Value				Value		Value			Value
	Assets:
	Cash and due from banks	$	175,965			$	175,965	$	181,298		$	181,298
	Securities—trading	63,887				63,887		71,232			71,232
	Securities—available-for-sale	477,407				477,407		472,920			472,920
	Securities—held-to-maturity	96,545				98,401		86,452			92,458
	Loans receivable held for sale	8,394				8,394		11,920			12,059
	Loans receivable	3,267,042				3,164,657		3,223,794			3,143,853
	FHLB stock	35,708				35,708		36,705			36,705
	Bank-owned life insurance	61,442				61,442		59,891			59,891
	Mortgage servicing rights	7,684				7,684		6,244			6,244
	Derivatives	5,109				5,110		8,863			8,863
	Liabilities:
	Demand, interest checking and money market accounts	1,860,001				1,714,813		1,800,555			1,729,351
	Regular savings	775,260				706,326		727,956			694,609
	Certificates of deposit	900,024				893,768		1,029,293			1,033,931
	FHLB advances at fair value	20,258				20,258		10,304			10,304
	Junior subordinated debentures at fair value	73,637				73,637		73,063			73,063
	Other borrowings	82,909				82,909		76,633			76,633
	Derivatives	5,089				5,089		8,548			8,548

CALCULATION_OF_WEIGHTED_AVERAG1

CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS (LOSS) PER SHARE (EPS) (Tables)	9 Months Ended
	Sep. 30, 2013
Earnings Per Share [Abstract]	'
Schedule of Basic and Diluted Weighted Shares Outstanding	'
	The following table reconciles basic to diluted weighted shares outstanding used to calculate earnings per share data dollars and shares (in thousands, except per share data):
		Three Months Ended					Nine Months Ended
		30-Sep					30-Sep
		2013		2012			2013		2012
	Net income (loss)	$	11,665	$	15,620		$	35,001	$	50,194
	Preferred stock dividend accrual	—		1,227			—		4,327
	Preferred stock discount accretion	—		1,216			—		2,124
	Gain on repurchase and retirement of preferred stock			$	(2,070	)			$	(2,070	)
	Net income (loss) available to common shareholders	$	11,665	$	15,247		$	35,001	$	45,813
	Basic weighted average shares outstanding	19,338		19,172			19,348		18,428
	Plus unvested restricted stock	59		113			55		61
	Diluted weighted shares outstanding	19,397		19,285			19,403		18,489
	Earnings (loss) per common share
	Basic	$	0.6	$	0.8		$	1.81	$	2.49
	Diluted	$	0.6	$	0.79		$	1.8	$	2.48

COMMITMENTS_AND_CONTINGENCIES_

COMMITMENTS AND CONTINGENCIES (Tables)	9 Months Ended
	Sep. 30, 2013
Commitments and Contingencies Disclosure [Abstract]	'
Schedule of Financial Instruments With Off-Balance-Sheet Risks	'
	Outstanding commitments for which no asset or liability for the notional amount has been recorded consisted of the following at the dates indicated (in thousands):
		Contract or Notional Amount
		September 30, 2013		December 31, 2012
	Commitments to extend credit	$	1,092,139	$	907,892
	Standby letters of credit and financial guarantees	8,097		6,660
	Commitments to originate loans	18,657		10,733
	Commitments to purchase investment securities	—		11,500
	Derivatives also included in Note 16:
	Commitments to originate loans held for sale	30,181		89,049
	Commitments to sell loans secured by one- to four residential properties	17,877		70,263
	Commitments to sell securities related to mortgage banking activities	13,470		41,500

DERIVATIVES_AND_HEDGING_Tables

DERIVATIVES AND HEDGING (Tables)	9 Months Ended
	Sep. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value	'
	As of September 30, 2013 and December 31, 2012, the notional values or contractual amounts and fair values of the Company's derivatives designated in hedge relationships were as follows (in thousands):
		Asset Derivatives													Liability Derivatives
		September 30, 2013								December 31, 2012					September 30, 2013					December 31, 2012
		Notional/				Fair				Notional/		Fair			Notional/			Fair		Notional/		Fair
		Contract Amount				Value (1)				Contract Amount		Value (1)			Contract Amount			Value (2)		Contract Amount		Value (2)
	Interest rate swaps	$	7,500			$	1,419			$	10,507	$	2,163		$	7,500		$	1,419	$	10,507	$	2,163
	(1)	Included in Loans Receivable on the Consolidated Statement of Financial Condition.
	(2)	Included in Other Liabilities on the Consolidated
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location	'
	As of September 30, 2013 and December 31, 2012, the notional values or contractual amounts and fair values of the Company's derivatives not designated in hedge relationships were as follows (in thousands):
		Asset Derivatives													Liability Derivatives
		September 30, 2013								December 31, 2012					September 30, 2013					December 31, 2012
		Notional/				Fair				Notional/		Fair			Notional/			Fair		Notional/		Fair
		Contract Amount				Value (1)				Contract Amount		Value (1)			Contract Amount			Value (2)		Contract Amount		Value (2)
	Interest rate swaps	$	102,673			$	3,196			$	100,447	$	6,190		$	102,673		$	3,196	$	100,447	$	6,190
	Mortgage loan commitments	15,277				271				45,363		436			14,904			223		43,686		74
	Forward sales contracts	14,904				223				43,686		74			13,470			251		41,500		121
		$	132,854			$	3,690			$	189,496	$	6,700		$	131,047		$	3,670	$	185,633	$	6,385
	(1)	Included in Other Assets on the Consolidated Statements of Financial Condition.
	(2)	Included in Other Liabilities on the Consolidated Statements of Financial Condition.
	Gains (losses) recognized in income on non-designated hedging instruments for the three months ended September 30, 2013 and 2012 were as follows (in thousands):
				Three Months Ended
				30-Sep
		Location on Income Statement		2013				2012
	Mortgage loan commitments	Mortgage banking operations		$	651			$	891
	Forward sales contracts	Mortgage banking operations		(952		)		(668		)
				$	(301	)		$	223
Offsetting Assets and Liabilities	'
	The following table illustrates the potential effect of the Company's derivative master netting arrangements, by type of financial instrument, on the Company's Statement of Financial Condition as of September 30, 2013 and December 31, 2012 (in thousands):
		September 30, 2013
												Gross Amounts of Financial Instruments Not Offset in the Statement of Financial Condition
		Gross Amounts Recognized				Amounts offset				Net Amounts		Netting Adjustment Per Applicable Master Netting Agreements			Fair Value			Net Amount
						in the Statement				in the Statement					of Financial Collateral
						of Financial Condition				of Financial Condition					in the Statement
															of Financial Condition
	Derivative assets
	Interest rate swaps	$	4,615			$	—			$	4,615	$	(628	)	$	—		$	3,987
		$	4,615			$	—			$	4,615	$	(628	)	$	—		$	3,987
	Derivative liabilities
	Interest rate swaps	$	4,615			$	—			$	4,615	$	(628	)	$	(3,359	)	$	628
		$	4,615			$	—			$	4,615	$	(628	)	$	(3,359	)	$	628
		December 31, 2012
												Gross Amounts of Financial Instruments Not Offset in the Statement of Financial Condition
		Gross Amounts Recognized				Amounts offset				Net Amounts		Netting Adjustment Per Applicable Master Netting Agreements			Fair Value			Net Amount
						in the Statement				in the Statement					of Financial Collateral
						of Financial Condition				of Financial Condition					in the Statement
															of Financial Condition
	Derivative assets
	Interest rate swaps	$	8,353			$	—			$	8,353	$	—		$	—		$	8,353
		$	8,353			$	—			$	8,353	$	—		$	—		$	8,353
	Derivative liabilities
	Interest rate swaps	$	8,353			$	—			$	8,353	$	—		$	(8,353	)	$	—
		$	8,353			$	—			$	8,353	$	—		$	(8,353	)	$	—

RECENT_DEVELOPMENTS_AND_SIGNIF1

RECENT DEVELOPMENTS AND SIGNIFICANT EVENTS (Income Tax Reporting and Accounting) (Details) (USD $)	Sep. 30, 2013
Income Tax Examination [Line Items]	'
Income Tax Examination, Interest Receivable	$450,000
Internal Revenue Service (IRS) [Member]	'
Income Tax Examination [Line Items]	'
Income Tax Refund From the Utilization of Net Operating Loss Carryback Claims	-9,800,000
Income Tax Examination, Interest Receivable	$450,000

RECENT_DEVELOPMENTS_AND_SIGNIF2

RECENT DEVELOPMENTS AND SIGNIFICANT EVENTS (Preferred Stock Transactions) (Details) (USD $)	Mar. 29, 2012	Apr. 24, 2012	Sep. 30, 2013	Mar. 29, 2012	Sep. 30, 2013
In Millions, except Share data, unless otherwise specified	Preferred Stock [Member]	2012 Restricted Stock Plan [Member]	2012 Restricted Stock Plan [Member]	U.S. Treasury Capital Purchase Program [Member]	Warrant [Member]
		Restricted Stock [Member]	Restricted Stock [Member]	Preferred Stock [Member]	U.S. Treasury Capital Purchase Program [Member]
					Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'	'
Number of Shares Authorized	'	300,000	'	'	'
Award Vesting Period	'	'3 years	'	'	'
Maximum Contractual Term	'	'10 years	'	'	'
Restricted stock granted	'	'	189,426	'	'
Preferred Stock:	'	'	'	'	'
Preferred Stock, Value, Issued	'	'	'	$124	'
Repurchase Preferred Stock Price Per Share	$1,000	'	'	'	'
Warrants and Rights Outstanding	'	'	'	'	$18.60

RECENT_DEVELOPMENTS_AND_SIGNIF3

RECENT DEVELOPMENTS AND SIGNIFICANT EVENTS Proposed Acquisition of Home Federal Bancorp, Inc. (Details) (Subsequent Event [Member], USD $)	0 Months Ended
In Millions, unless otherwise specified	Oct. 24, 2013
Subsequent Event [Member]	'
Subsequent Event [Line Items]	'
Payments for Merger Related Costs	$2.95

INTERESTBEARING_DEPOSITS_AND_S2

INTEREST-BEARING DEPOSITS AND SECURITIES (Schedule of Investments) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
In Thousands, unless otherwise specified
Open Option Contracts Written [Line Items]	'	'	'
Interest-bearing deposits included in cash and due from banks	$106,625	$114,928	$143,251
Interest-bearing deposits and marketable securities	780,172	782,237	801,466
Total securities [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	637,839	630,604	621,177
U.S. Government and agency obligations [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	61,473	98,617	159,885
Total municipal bonds [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	151,834	135,025	132,913
Taxable municipal bonds [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	36,501	31,480	26,742
Tax exempt municipal bonds [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	115,333	103,545	106,171
Corporate bonds [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	46,145	48,519	40,505
Total mortgage-backed or related securities [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	353,070	305,864	255,072
1-4 residential agency guaranteed [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	58,616	105,770	108,830
1-4 residential other [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	1,100	1,299	1,412
Multifamily agency guaranteed [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	283,252	188,136	144,830
Multifamily other [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	10,102	10,659	0
Asset-backed Securities [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	25,249	42,516	32,752
SLMA [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	15,676	32,474	32,752
Other asset-backed securities [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	9,573	10,042	0
Equity securities (excludes FHLB stock) [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	68	63	50
FHLB stock [Member]	'	'	'
Open Option Contracts Written [Line Items]	'	'	'
Marketable securities	$35,708	$36,705	$37,038

INTERESTBEARING_DEPOSITS_AND_S3

INTEREST-BEARING DEPOSITS AND SECURITIES (Trading Securities) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	$76,525	$90,339
Securities—trading, amortized cost $76,525 and $90,339, respectively	63,887	71,232
Percent of Total	100.00%	100.00%
U.S. Government and agency obligations [Member]	'	'
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	1,370	1,380
Securities—trading, amortized cost $76,525 and $90,339, respectively	1,510	1,637
Percent of Total	2.40%	2.30%
Total municipal bonds [Member]	'	'
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	4,966	5,590
Securities—trading, amortized cost $76,525 and $90,339, respectively	4,987	5,684
Percent of Total	7.80%	8.00%
Tax exempt municipal bonds [Member]	'	'
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	4,966	5,590
Securities—trading, amortized cost $76,525 and $90,339, respectively	4,987	5,684
Percent of Total	7.80%	8.00%
Corporate bonds [Member]	'	'
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	49,507	57,807
Securities—trading, amortized cost $76,525 and $90,339, respectively	35,095	35,741
Percent of Total	54.90%	50.20%
Total mortgage-backed or related securities [Member]	'	'
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	20,668	25,548
Securities—trading, amortized cost $76,525 and $90,339, respectively	22,227	28,107
Percent of Total	34.80%	39.40%
1-4 residential agency guaranteed [Member]	'	'
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	11,811	16,574
Securities—trading, amortized cost $76,525 and $90,339, respectively	12,587	17,911
Percent of Total	19.70%	25.10%
Multifamily agency guaranteed [Member]	'	'
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	8,857	8,974
Securities—trading, amortized cost $76,525 and $90,339, respectively	9,640	10,196
Percent of Total	15.10%	14.30%
Equity securities [Member]	'	'
Schedule of Trading Securities and Other Trading Assets [Line Items]	'	'
Amortized Cost	14	14
Securities—trading, amortized cost $76,525 and $90,339, respectively	$68	$63
Percent of Total	0.10%	0.10%

INTERESTBEARING_DEPOSITS_AND_S4

INTEREST-BEARING DEPOSITS AND SECURITIES (Trading Securities Debt Maturities) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Trading Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]	'	'
Due in one year or less, amortized cost	$0	$0
Due after one year through five years, amortized cost	3,957	4,496
Due after five years through ten years, amortized cost	16,483	14,251
Due after ten years through twenty years, amortized cost	21,947	12,055
Due after twenty, amortized cost	34,124	59,523
Total with maturity date, amortized cost	76,511	90,325
Amortized Cost	76,525	90,339
Trading Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]	'	'
Due in one year or less, fair value	0	0
Due after one year through five years, fair value	4,219	4,867
Due after five years, through ten years, fair value	17,502	15,536
Due after ten years through twenty years, fair value	18,737	11,346
Due after twenty years, fair value	23,361	39,420
Total with maturity date, fair value	63,819	71,169
Securities—trading, amortized cost $76,525 and $90,339, respectively	63,887	71,232
Equity securities [Member]	'	'
Trading Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]	'	'
Without maturity date, amortized cost	14	14
Amortized Cost	14	14
Trading Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]	'	'
Without maturity date, fair value	68	63
Securities—trading, amortized cost $76,525 and $90,339, respectively	$68	$63

INTERESTBEARING_DEPOSITS_AND_S5

INTEREST-BEARING DEPOSITS AND SECURITIES (Available-for-sale Securities) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	$481,867	$469,650
Gross Unrealized Gains	1,896	4,339
Gross Unrealized Losses	-6,356	-1,069
Fair Value	477,407	472,920
Percent of Total	100.00%	100.00%
U.S. Government and agency obligations [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	59,217	96,666
Gross Unrealized Gains	173	367
Gross Unrealized Losses	-622	-53
Fair Value	58,768	96,980
Percent of Total	12.30%	20.50%
Total municipal bonds [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	55,516	44,562
Gross Unrealized Gains	273	454
Gross Unrealized Losses	-474	-78
Fair Value	55,315	44,938
Percent of Total	11.60%	9.50%
Taxable municipal bonds [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	25,669	20,987
Gross Unrealized Gains	113	233
Gross Unrealized Losses	-230	-67
Fair Value	25,552	21,153
Percent of Total	5.40%	4.50%
Tax exempt municipal bonds [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	29,847	23,575
Gross Unrealized Gains	160	221
Gross Unrealized Losses	-244	-11
Fair Value	29,763	23,785
Percent of Total	6.20%	5.00%
Corporate bonds [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	9,006	10,701
Gross Unrealized Gains	13	37
Gross Unrealized Losses	-19	-9
Fair Value	9,000	10,729
Percent of Total	1.90%	2.30%
Total mortgage-backed or related securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	332,489	275,341
Gross Unrealized Gains	1,337	3,271
Gross Unrealized Losses	-4,751	-855
Fair Value	329,075	277,757
Percent of Total	68.90%	58.70%
1-4 residential agency guaranteed [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	46,162	87,392
Gross Unrealized Gains	807	1,051
Gross Unrealized Losses	-940	-584
Fair Value	46,029	87,859
Percent of Total	9.60%	18.60%
1-4 residential other [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	1,025	1,223
Gross Unrealized Gains	75	76
Gross Unrealized Losses	0	0
Fair Value	1,100	1,299
Percent of Total	0.20%	0.30%
Multifamily agency guaranteed [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	274,674	176,026
Gross Unrealized Gains	455	2,140
Gross Unrealized Losses	-3,285	-226
Fair Value	271,844	177,940
Percent of Total	57.00%	37.60%
Multifamily other [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	10,628	10,700
Gross Unrealized Gains	0	4
Gross Unrealized Losses	-526	-45
Fair Value	10,102	10,659
Percent of Total	2.10%	2.20%
Asset-backed Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	25,639	42,380
Gross Unrealized Gains	100	210
Gross Unrealized Losses	-490	-74
Fair Value	25,249	42,516
Percent of Total	5.30%	9.00%
SLMA [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	15,576	32,309
Gross Unrealized Gains	100	210
Gross Unrealized Losses	0	-45
Fair Value	15,676	32,474
Percent of Total	3.30%	6.90%
Other asset-backed securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost Basis	10,063	10,071
Gross Unrealized Gains	0	0
Gross Unrealized Losses	-490	-29
Fair Value	$9,573	$10,042
Percent of Total	2.00%	2.10%

INTERESTBEARING_DEPOSITS_AND_S6

INTEREST-BEARING DEPOSITS AND SECURITIES (Available-for-sale Securities with Continuous Loss Position) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	$292,607	$136,877
Less than 12 Months, Unrealized Losses	-5,623	-988
12 Months or More, Fair Value	22,897	5,746
12 Months or Longer, Unrealized Losses	-733	-81
Total Fair Value	315,504	142,623
Unrealized Losses	-6,356	-1,069
U.S. Government and agency obligations [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	40,637	22,955
Less than 12 Months, Unrealized Losses	-622	-53
12 Months or More, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	40,637	22,955
Unrealized Losses	-622	-53
Total municipal bonds [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	29,119	15,628
Less than 12 Months, Unrealized Losses	-473	-78
12 Months or More, Fair Value	379	0
12 Months or Longer, Unrealized Losses	-1	0
Total Fair Value	29,498	15,628
Unrealized Losses	-474	-78
Taxable municipal bonds [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	17,756	11,009
Less than 12 Months, Unrealized Losses	-230	-67
12 Months or More, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	17,756	11,009
Unrealized Losses	-230	-67
Tax exempt municipal bonds [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	11,363	4,619
Less than 12 Months, Unrealized Losses	-243	-11
12 Months or More, Fair Value	379	0
12 Months or Longer, Unrealized Losses	-1	0
Total Fair Value	11,742	4,619
Unrealized Losses	-244	-11
Corporate bonds [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	4,981	6,670
Less than 12 Months, Unrealized Losses	-19	-9
12 Months or More, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	4,981	6,670
Unrealized Losses	-19	-9
Total mortgage-backed or related securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	208,297	71,908
Less than 12 Months, Unrealized Losses	-4,019	-774
12 Months or More, Fair Value	22,518	5,746
12 Months or Longer, Unrealized Losses	-732	-81
Total Fair Value	230,815	77,654
Unrealized Losses	-4,751	-855
1-4 residential agency guaranteed [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	4,133	32,459
Less than 12 Months, Unrealized Losses	-274	-503
12 Months or More, Fair Value	19,478	5,746
12 Months or Longer, Unrealized Losses	-666	-81
Total Fair Value	23,611	38,205
Unrealized Losses	-940	-584
Multifamily agency guaranteed [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	194,062	32,170
Less than 12 Months, Unrealized Losses	-3,219	-226
12 Months or More, Fair Value	3,040	0
12 Months or Longer, Unrealized Losses	-66	0
Total Fair Value	197,102	32,170
Unrealized Losses	-3,285	-226
Multifamily other [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	10,102	7,279
Less than 12 Months, Unrealized Losses	-526	-45
12 Months or More, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	10,102	7,279
Unrealized Losses	-526	-45
Asset-backed Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	9,573	19,716
Less than 12 Months, Unrealized Losses	-490	-74
12 Months or More, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	9,573	19,716
Unrealized Losses	-490	-74
SLMA [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	'	9,674
Less than 12 Months, Unrealized Losses	'	-45
12 Months or More, Fair Value	'	0
12 Months or Longer, Unrealized Losses	'	0
Total Fair Value	'	9,674
Unrealized Losses	'	-45
Other asset-backed securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 Months, Fair Value	9,573	10,042
Less than 12 Months, Unrealized Losses	-490	-29
12 Months or More, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	9,573	10,042
Unrealized Losses	($490)	($29)

INTERESTBEARING_DEPOSITS_AND_S7

INTEREST-BEARING DEPOSITS AND SECURITIES (Available-for-sale Securities Debt Maturities) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]	'	'
Due in one year or less, amortized cost	$25,195	$16,369
Due after one year thorugh five years, amortized cost	301,409	205,913
Due after five years through ten years, amortized cost	86,050	132,372
Due after ten years through twenty years, amortized cost	13,219	43,386
Due after twenty years, amortized cost	55,994	71,610
Amoritzed cost	481,867	469,650
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]	'	'
Due one year or less, fair value	25,361	16,393
Due after one year through five years, fair value	298,978	207,147
Due after five years through ten years, fair value	84,906	133,407
due after ten years through twenty years, fair value	12,856	43,414
Due after twenty years, fair value	55,306	72,559
Fair Value	$477,407	$472,920

INTERESTBEARING_DEPOSITS_AND_S8

INTEREST-BEARING DEPOSITS AND SECURITIES (Held-to-maturity Securities) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Held-to-maturity Securities [Line Items]	'	'
Amortized Cost	$96,545	$86,452
Gross Unrealized Gains	3,317	6,193
Gross Unrealized Losses	-1,461	-187
Fair Value	98,401	92,458
Percent of Total	100.00%	100.00%
US Government and Government Agencies and Authorities [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Amortized Cost	1,195	'
Gross Unrealized Gains	0	'
Gross Unrealized Losses	-62	'
Fair Value	1,133	'
Percent of Total	1.20%	'
Taxable municipal bonds [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Amortized Cost	10,949	10,326
Gross Unrealized Gains	237	436
Gross Unrealized Losses	-182	-157
Fair Value	11,004	10,605
Percent of Total	11.30%	11.90%
Tax exempt municipal bonds [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Amortized Cost	80,583	74,076
Gross Unrealized Gains	3,080	5,757
Gross Unrealized Losses	-1,203	-30
Fair Value	82,460	79,803
Percent of Total	83.60%	85.70%
Total municipal bonds [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Amortized Cost	91,532	84,402
Gross Unrealized Gains	3,317	6,193
Gross Unrealized Losses	-1,385	-187
Fair Value	93,464	90,408
Percent of Total	94.90%	97.60%
Corporate bonds [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Amortized Cost	2,050	2,050
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	2,050	2,050
Percent of Total	2.10%	2.40%
Multifamily agency guaranteed [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Amortized Cost	1,768	'
Gross Unrealized Gains	0	'
Gross Unrealized Losses	-14	'
Fair Value	1,754	'
Percent of Total	1.80%	'
Total mortgage-backed or related securities [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Amortized Cost	1,768	'
Gross Unrealized Gains	0	'
Gross Unrealized Losses	-14	'
Fair Value	$1,754	'
Percent of Total	1.80%	'

INTERESTBEARING_DEPOSITS_AND_S9

INTEREST-BEARING DEPOSITS AND SECURITIES (Held-to-Maturity Securities with Continuous Loss Position) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Held-to-maturity Securities [Line Items]	'	'
Less than 12 Months, Fair Value	$29,668	'
Less Than 12 Months, Unrealized Losses	-1,461	'
12 Months or More, Fair Value	0	'
12 Months or More, Unrealized Losses	0	'
Total Fair Value	29,668	'
Total Unrealized Losses	-1,461	-187
US Government and Government Agencies and Authorities [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Less than 12 Months, Fair Value	1,133	'
Less Than 12 Months, Unrealized Losses	-62	'
12 Months or More, Fair Value	0	'
12 Months or More, Unrealized Losses	0	'
Total Fair Value	1,133	'
Total Unrealized Losses	-62	'
Total municipal bonds [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Less than 12 Months, Fair Value	26,781	5,047
Less Than 12 Months, Unrealized Losses	-1,385	-187
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	26,781	5,047
Total Unrealized Losses	-1,385	-187
Taxable municipal bonds [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Less than 12 Months, Fair Value	5,827	4,137
Less Than 12 Months, Unrealized Losses	-182	-157
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	5,827	4,137
Total Unrealized Losses	-182	-157
Tax exempt municipal bonds [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Less than 12 Months, Fair Value	20,954	910
Less Than 12 Months, Unrealized Losses	-1,203	-30
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	20,954	910
Total Unrealized Losses	-1,203	-30
Corporate bonds [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Total Unrealized Losses	0	0
Total mortgage-backed or related securities [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Less than 12 Months, Fair Value	1,754	'
Less Than 12 Months, Unrealized Losses	-14	'
12 Months or More, Fair Value	0	'
12 Months or More, Unrealized Losses	0	'
Total Fair Value	1,754	'
Total Unrealized Losses	-14	'
Multifamily agency guaranteed [Member]	'	'
Schedule of Held-to-maturity Securities [Line Items]	'	'
Less than 12 Months, Fair Value	1,754	'
Less Than 12 Months, Unrealized Losses	-14	'
12 Months or More, Fair Value	0	'
12 Months or More, Unrealized Losses	0	'
Total Fair Value	1,754	'
Total Unrealized Losses	($14)	'

Recovered_Sheet1

INTEREST-BEARING DEPOSITS AND SECURITIES (Held-to-maturity Securities Debt Maturities) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]	'	'
Due in one year or less, amortized cost	$3,185	$3,323
Due after one year through five years, amortized cost	12,970	13,641
Due after five years through ten years, amortized cost	15,870	13,295
Due after ten years through twenty years, amortized cost	61,422	53,031
Due after twenty years, amortized cost	3,098	3,162
Amortized cost	96,545	86,452
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]	'	'
Due in one year or less, fair value	3,201	3,410
Due after one year through five years, fair value	13,410	14,335
Due after five years through ten years, fair value	15,880	13,452
Due after ten years through twenty years, fair value	63,032	57,868
Due after twenty years, fair value	2,878	3,393
Fair Value	$98,401	$92,458

Recovered_Sheet2

INTEREST-BEARING DEPOSITS AND SECURITIES (Securities Pledged) (Details) (USD $)	Sep. 30, 2013
In Thousands, unless otherwise specified
Pledged Financial Instruments, Not Separately Reported, Securities [Abstract]	'
State and local government public deposits	$107,920
Interest rate swap counterparties	7,634
Retail repurchase transaction accounts	107,307
Total pledged securities	222,861
State and local governments public deposits, amortized cost	107,867
Interest rate swap counterparties, amortized cost	7,290
Retail repurchase transaction accounts, amortized cost	107,366
Total pledged securities, amortized cost	222,523
State and local governments public deposits, fair value	110,139
Interest rate swap counterparties, fair value	7,634
Retail repurchase transaction accounts, fair value	107,307
Total pledged securities, fair value	$225,080

Recovered_Sheet3

INTEREST-BEARING DEPOSITS AND SECURITIES (Textual) (Details) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
	security	security	security
Trading Securities [Abstract]	'	'	'
Trading Securities, Number of Securities Sold	40	3	'
Trading Securities, Sold	$29,351,000	$2,170,000	'
Trading Securities, Realized Gain	1,545,000	10,000	'
Trading Securities, Realized Gain, Recoveries	-1,000,000	'	'
Trading Securities, OTTI (Recovery) Charges	-409,000	409,000	'
Trading Securities, Number of Securities in Nonaccrual Status	0	0	'
Available-for-sale Securities [Abstract]	'	'	'
Available-for-sale Securities, Number of Securities Sold	35	3	'
Available-for-sale Securities, Sale Proceeds	103,300,000	13,300,000	'
Available-for-sale Securities, Gross Realized Gain (Loss)	-116,000	38,000	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	124	'	52
Held-to-maturity Securities [Abstract]	'	'	'
Held-to-maturity Securities, Number of Securities Sold	0	0	'
Held-to-maturity Securities, OTTI Charges	$0	$0	'
Held-to-maturity Securities, Number of Securities in Nonaccrual Status	0	0	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	32	'	5

FHLB_STOCK_Details

FHLB STOCK (Details) (USD $)	3 Months Ended	9 Months Ended		10 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013	Dec. 31, 2012
Banking and Thrift [Abstract]	'	'	'	'	'
Federal Home Loan Bank Stock, Par Value Per Share	$100	$100	'	'	'
Dividend Income on FHLB Stock	$9,000	$9,000	$0	'	'
Federal Home Loan Bank (FHLB) stock	35,708,000	35,708,000	'	'	36,705,000
Impairment Recognized on FHLB Stock	'	0	'	'	'
Proceeds from Sale of Federal Reserve Stock	$333,000	'	'	$1,700,000	'

LOANS_RECEIVABLE_AND_THE_ALLOW2

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Loans by Type) (Details) (USD $)	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	$3,275,436,000	'	$3,235,714,000	$3,213,523,000	'	'
Less allowance for loan losses	-76,657,000	-76,853,000	-77,491,000	-78,783,000	-80,221,000	-82,912,000
Total loans	3,198,779,000	'	3,158,223,000	3,134,740,000	'	'
Percent of total loans	100.00%	'	100.00%	100.00%	'	'
Unearned, unamortized loan fees (and costs)	8,800,000	'	8,900,000	9,000,000	'	'
Commerical real estate - owner-occupied [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	508,341,000	'	489,581,000	477,871,000	'	'
Percent of total loans	15.50%	'	15.10%	14.90%	'	'
Commerical real estate - investment properties [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	613,757,000	'	583,641,000	604,265,000	'	'
Percent of total loans	18.80%	'	18.00%	18.80%	'	'
Multifamily real estate [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	133,770,000	'	137,504,000	138,716,000	'	'
Percent of total loans	4.10%	'	4.30%	4.30%	'	'
Commercial construction [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	18,730,000	'	30,229,000	28,598,000	'	'
Percent of total loans	0.60%	'	0.90%	0.90%	'	'
Multifamily construction [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	33,888,000	'	22,581,000	14,502,000	'	'
Percent of total loans	1.00%	'	0.70%	0.50%	'	'
One-to four-family construction [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	194,187,000	'	160,815,000	163,521,000	'	'
Percent of total loans	5.90%	'	5.00%	5.10%	'	'
Land and land development - residential [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	75,576,000	'	77,010,000	79,932,000	'	'
Percent of total loans	2.30%	'	2.40%	2.50%	'	'
Land and land development - commercial [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	11,231,000	'	13,982,000	14,242,000	'	'
Percent of total loans	0.30%	'	0.40%	0.40%	'	'
Commercial business [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	635,658,000	'	618,049,000	603,606,000	'	'
Less allowance for loan losses	-10,676,000	-10,806,000	-9,957,000	-10,701,000	-12,352,000	-15,159,000
Percent of total loans	19.40%	'	19.10%	18.80%	'	'
Agricultural business, including secured by farming [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	223,187,000	'	230,031,000	219,084,000	'	'
Less allowance for loan losses	-3,411,000	-3,805,000	-2,295,000	-2,342,000	-1,294,000	-1,548,000
Percent of total loans	6.80%	'	7.10%	6.80%	'	'
One- to four-family real estate [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	543,263,000	'	581,670,000	594,413,000	'	'
Percent of total loans	16.60%	'	18.00%	18.50%	'	'
Total consumer [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	283,848,000	'	290,621,000	274,773,000	'	'
Less allowance for loan losses	-948,000	-1,011,000	-1,348,000	-1,321,000	-1,365,000	-1,253,000
Consumer [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	113,829,000	'	120,498,000	103,393,000	'	'
Percent of total loans	3.50%	'	3.70%	3.20%	'	'
Consumer secured by one- to four-family [Member]	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'
Total loans outstanding	$170,019,000	'	$170,123,000	$171,380,000	'	'
Percent of total loans	5.20%	'	5.30%	5.30%	'	'

LOANS_RECEIVABLE_AND_THE_ALLOW3

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Loans by Geographic Type) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
In Thousands, unless otherwise specified
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	$3,275,436	$3,235,714	$3,213,523
Percent of total loans	100.00%	100.00%	100.00%
Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	2,180,219	'	'
Percent of total loans	66.60%	'	'
Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	683,796	'	'
Percent of total loans	20.90%	'	'
Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	288,188	'	'
Percent of total loans	8.80%	'	'
Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	123,233	'	'
Percent of total loans	3.70%	'	'
Commerical real estate - owner-occupied [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	508,341	489,581	477,871
Percent of total loans	15.50%	15.10%	14.90%
Commerical real estate - owner-occupied [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	384,706	'	'
Commerical real estate - owner-occupied [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	58,468	'	'
Commerical real estate - owner-occupied [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	59,077	'	'
Commerical real estate - owner-occupied [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	6,090	'	'
Commerical real estate - investment properties [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	613,757	583,641	604,265
Percent of total loans	18.80%	18.00%	18.80%
Commerical real estate - investment properties [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	467,161	'	'
Commerical real estate - investment properties [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	90,518	'	'
Commerical real estate - investment properties [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	50,464	'	'
Commerical real estate - investment properties [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	5,614	'	'
Multifamily real estate [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	133,770	137,504	138,716
Percent of total loans	4.10%	4.30%	4.30%
Multifamily real estate [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	107,744	'	'
Multifamily real estate [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	15,998	'	'
Multifamily real estate [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	9,828	'	'
Multifamily real estate [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	200	'	'
Commercial construction [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	18,730	30,229	28,598
Percent of total loans	0.60%	0.90%	0.90%
Commercial construction [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	9,918	'	'
Commercial construction [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	3,942	'	'
Commercial construction [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	377	'	'
Commercial construction [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	4,493	'	'
Multifamily construction [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	33,888	22,581	14,502
Percent of total loans	1.00%	0.70%	0.50%
Multifamily construction [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	22,141	'	'
Multifamily construction [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	11,747	'	'
Multifamily construction [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
Multifamily construction [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
One-to four-family construction [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	194,187	160,815	163,521
Percent of total loans	5.90%	5.00%	5.10%
One-to four-family construction [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	108,011	'	'
One-to four-family construction [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	84,749	'	'
One-to four-family construction [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	1,427	'	'
One-to four-family construction [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
Land and land development - residential [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	75,576	77,010	79,932
Percent of total loans	2.30%	2.40%	2.50%
Land and land development - residential [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	45,281	'	'
Land and land development - residential [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	28,973	'	'
Land and land development - residential [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	1,322	'	'
Land and land development - residential [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
Land and land development - commercial [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	11,231	13,982	14,242
Percent of total loans	0.30%	0.40%	0.40%
Land and land development - commercial [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	5,915	'	'
Land and land development - commercial [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	3,379	'	'
Land and land development - commercial [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	1,937	'	'
Land and land development - commercial [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
Commercial business [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	635,658	618,049	603,606
Percent of total loans	19.40%	19.10%	18.80%
Commercial business [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	392,741	'	'
Commercial business [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	76,314	'	'
Commercial business [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	62,428	'	'
Commercial business [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	104,175	'	'
Agricultural business, including secured by farming [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	223,187	230,031	219,084
Percent of total loans	6.80%	7.10%	6.80%
Agricultural business, including secured by farming [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	111,795	'	'
Agricultural business, including secured by farming [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	52,670	'	'
Agricultural business, including secured by farming [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	58,722	'	'
Agricultural business, including secured by farming [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
One- to four-family real estate [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	543,263	581,670	594,413
Percent of total loans	16.60%	18.00%	18.50%
One- to four-family real estate [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	337,369	'	'
One- to four-family real estate [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	180,047	'	'
One- to four-family real estate [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	23,846	'	'
One- to four-family real estate [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	2,001	'	'
Total consumer [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	283,848	290,621	274,773
Consumer [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	113,829	120,498	103,393
Percent of total loans	3.50%	3.70%	3.20%
Consumer [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	75,307	'	'
Consumer [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	32,942	'	'
Consumer [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	5,565	'	'
Consumer [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	15	'	'
Consumer secured by one- to four-family [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	170,019	170,123	171,380
Percent of total loans	5.20%	5.30%	5.30%
Consumer secured by one- to four-family [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	112,130	'	'
Consumer secured by one- to four-family [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	44,049	'	'
Consumer secured by one- to four-family [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	13,195	'	'
Consumer secured by one- to four-family [Member] | Other [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	$645	'	'

LOANS_RECEIVABLE_AND_THE_ALLOW4

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Land and Land Development by State) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
In Thousands, unless otherwise specified
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	$3,275,436	$3,235,714	$3,213,523
Percent of total loans	100.00%	100.00%	100.00%
Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	2,180,219	'	'
Percent of total loans	66.60%	'	'
Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	683,796	'	'
Percent of total loans	20.90%	'	'
Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	288,188	'	'
Percent of total loans	8.80%	'	'
Land and land development [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	86,807	'	'
Percent of total loans	100.00%	'	'
Land and land development [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	51,196	'	'
Percent of total loans	59.00%	'	'
Land and land development [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	32,352	'	'
Percent of total loans	37.30%	'	'
Land and land development [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	3,259	'	'
Percent of total loans	3.70%	'	'
Land and land development - residential [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	75,576	77,010	79,932
Percent of total loans	2.30%	2.40%	2.50%
Land and land development - residential [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	45,281	'	'
Land and land development - residential [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	28,973	'	'
Land and land development - residential [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	1,322	'	'
Land and land development - residential [Member] | Acquisition and Development [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	28,119	'	'
Land and land development - residential [Member] | Acquisition and Development [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	17,094	'	'
Land and land development - residential [Member] | Acquisition and Development [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	9,901	'	'
Land and land development - residential [Member] | Acquisition and Development [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	1,124	'	'
Land and land development - residential [Member] | Improved Land and Lots [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	42,061	'	'
Land and land development - residential [Member] | Improved Land and Lots [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	23,201	'	'
Land and land development - residential [Member] | Improved Land and Lots [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	18,662	'	'
Land and land development - residential [Member] | Improved Land and Lots [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	198	'	'
Land and land development - residential [Member] | Unimproved Land [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	5,396	'	'
Land and land development - residential [Member] | Unimproved Land [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	4,986	'	'
Land and land development - residential [Member] | Unimproved Land [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	410	'	'
Land and land development - residential [Member] | Unimproved Land [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
Land and land development - commercial and industrial [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	11,231	13,982	14,242
Percent of total loans	0.30%	0.40%	0.40%
Land and land development - commercial and industrial [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	5,915	'	'
Land and land development - commercial and industrial [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	3,379	'	'
Land and land development - commercial and industrial [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	1,937	'	'
Land and land development - commercial and industrial [Member] | Acquisition and Development [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	484	'	'
Land and land development - commercial and industrial [Member] | Acquisition and Development [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
Land and land development - commercial and industrial [Member] | Acquisition and Development [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	0	'	'
Land and land development - commercial and industrial [Member] | Acquisition and Development [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	484	'	'
Land and land development - commercial and industrial [Member] | Improved Land and Lots [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	4,245	'	'
Land and land development - commercial and industrial [Member] | Improved Land and Lots [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	3,213	'	'
Land and land development - commercial and industrial [Member] | Improved Land and Lots [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	525	'	'
Land and land development - commercial and industrial [Member] | Improved Land and Lots [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	507	'	'
Land and land development - commercial and industrial [Member] | Unimproved Land [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	6,502	'	'
Land and land development - commercial and industrial [Member] | Unimproved Land [Member] | Washington [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	2,702	'	'
Land and land development - commercial and industrial [Member] | Unimproved Land [Member] | Oregon [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	2,854	'	'
Land and land development - commercial and industrial [Member] | Unimproved Land [Member] | Idaho [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans	$946	'	'

LOANS_RECEIVABLE_AND_THE_ALLOW5

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Fixed-rate and Adjustable-Rate Maturity) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
In Thousands, unless otherwise specified
Fixed-rate (term to maturity):	'	'	'
Due in one year or less	$134,632	$183,004	$185,379
Due after one year through three years	139,878	171,724	168,307
Due after three years through five years	205,830	173,251	168,348
Due after five years through ten years	208,625	167,858	165,973
Due after ten years	406,715	473,927	456,758
Total fixed-rate loans	1,095,680	1,169,764	1,144,765
Adjustable-Rate (term to rate adjustment):	'	'	'
Due in one year or less	1,290,793	1,260,472	1,283,783
Due after one year through three years	274,789	275,223	291,778
Due after three years through five years	527,999	467,895	441,773
Due after five years through ten years	84,399	60,316	45,951
Due after ten years	1,776	2,044	5,473
Total adjustable-rate loans	2,179,756	2,065,950	2,068,758
Total loans outstanding	$3,275,436	$3,235,714	$3,213,523

LOANS_RECEIVABLE_AND_THE_ALLOW6

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Impaired Loans and Related Allowance Reserve) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	$20,069,000	$31,361,000
Past due and still accruing	4,793,000	3,029,000
TDRs	50,430,000	57,462,000
Total impaired loans	75,292,000	91,852,000
Nonaccrual loans, allocated reserves	752,000	2,256,000
Past due and still accruing, allocated reserves	409,000	62,000
TDRs, allocated reserves	5,559,000	6,020,000
Allocated Reserve	6,720,000	8,338,000
Commitments to advance funds to TDRs	1,700,000	1,600,000
Commerical real estate - owner-occupied [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	2,798,000	4,105,000
Past due and still accruing	0	0
TDRs	186,000	188,000
Total impaired loans	2,985,000	4,293,000
Nonaccrual loans, allocated reserves	38,000	618,000
TDRs, allocated reserves	4,000	4,000
Allocated Reserve	42,000	621,000
Commerical real estate - investment properties [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	1,965,000	2,474,000
Past due and still accruing	0	0
TDRs	5,456,000	7,034,000
Total impaired loans	7,421,000	9,508,000
Nonaccrual loans, allocated reserves	97,000	56,000
TDRs, allocated reserves	455,000	664,000
Allocated Reserve	552,000	720,000
Multifamily real estate [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	333,000	0
Past due and still accruing	1,701,000	0
TDRs	5,810,000	7,131,000
Total impaired loans	7,844,000	7,131,000
Nonaccrual loans, allocated reserves	59,000	0
TDRs, allocated reserves	1,256,000	1,665,000
Allocated Reserve	1,615,000	1,665,000
Commercial construction [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Past due and still accruing	0	0
One-to four-family construction [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	910,000	1,565,000
Past due and still accruing	0	0
TDRs	7,285,000	6,726,000
Total impaired loans	8,195,000	8,291,000
Nonaccrual loans, allocated reserves	81,000	326,000
TDRs, allocated reserves	1,070,000	1,115,000
Allocated Reserve	1,151,000	1,441,000
Land and land development - residential [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	750,000	2,061,000
Past due and still accruing	242,000	0
TDRs	5,230,000	4,842,000
Total impaired loans	6,222,000	6,904,000
Nonaccrual loans, allocated reserves	0	323,000
TDRs, allocated reserves	1,112,000	667,000
Allocated Reserve	1,199,000	990,000
Land and land development - commercial [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	0	46,000
Past due and still accruing	0	0
Total impaired loans	'	46,000
Nonaccrual loans, allocated reserves	0	12,000
Allocated Reserve	'	12,000
Commercial business [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	963,000	4,750,000
Past due and still accruing	24,000	0
TDRs	1,115,000	2,975,000
Total impaired loans	3,812,000	7,725,000
Nonaccrual loans, allocated reserves	151,000	344,000
TDRs, allocated reserves	203,000	610,000
Allocated Reserve	368,000	955,000
Agricultural business/farmland [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Past due and still accruing	0	0
One- to four-family residential [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	10,717,000	12,964,000
Past due and still accruing	2,774,000	2,877,000
TDRs	24,469,000	27,540,000
Total impaired loans	36,249,000	43,380,000
Nonaccrual loans, allocated reserves	307,000	520,000
TDRs, allocated reserves	1,374,000	1,228,000
Allocated Reserve	1,688,000	1,806,000
Consumer [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	693,000	1,323,000
Past due and still accruing	29,000	152,000
TDRs	468,000	488,000
Total impaired loans	1,190,000	1,891,000
Nonaccrual loans, allocated reserves	3,000	16,000
TDRs, allocated reserves	56,000	38,000
Allocated Reserve	59,000	48,000
Consumer secured by one- to four-family [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Nonaccrual loans	940,000	2,073,000
Past due and still accruing	23,000	0
TDRs	411,000	538,000
Total impaired loans	1,374,000	2,683,000
Nonaccrual loans, allocated reserves	16,000	41,000
TDRs, allocated reserves	29,000	29,000
Allocated Reserve	$46,000	$80,000

LOANS_RECEIVABLE_AND_THE_ALLOW7

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Impaired Loans With and Without Specific Reserves) (Details) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2013		Dec. 31, 2012
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	$75,292,000		$91,852,000
Unpaid Principal Balance	79,941,000		98,232,000
Related Allowance	6,720,000		8,338,000
Average Recorded Investment	77,086,000		92,583,000
Interest Income Recognized	1,828,000		2,748,000
Commerical real estate - owner-occupied [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	2,985,000		4,293,000
Unpaid Principal Balance	3,185,000		4,544,000
Related Allowance	42,000		621,000
Average Recorded Investment	3,082,000		4,583,000
Interest Income Recognized	9,000		0
Commerical real estate - investment properties [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	7,421,000		9,508,000
Unpaid Principal Balance	8,952,000		10,981,000
Related Allowance	552,000		720,000
Average Recorded Investment	8,282,000		10,184,000
Interest Income Recognized	242,000		246,000
Multifamily real estate [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	7,844,000		7,131,000
Unpaid Principal Balance	7,844,000		7,131,000
Related Allowance	1,615,000		1,665,000
Average Recorded Investment	7,742,000		7,136,000
Interest Income Recognized	276,000		408,000
One-to four-family construction [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	8,195,000		8,291,000
Unpaid Principal Balance	8,371,000		8,291,000
Related Allowance	1,151,000		1,441,000
Average Recorded Investment	6,904,000		6,946,000
Interest Income Recognized	180,000		339,000
Land and land development - residential [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	6,222,000		6,904,000
Unpaid Principal Balance	6,559,000		7,369,000
Related Allowance	1,199,000		990,000
Average Recorded Investment	6,572,000		7,987,000
Interest Income Recognized	211,000		258,000
Land and land development - commercial [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	'		46,000
Unpaid Principal Balance	'		46,000
Related Allowance	'		12,000
Average Recorded Investment	'		46,000
Interest Income Recognized	'		0
Commercial business [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	3,812,000		7,725,000
Unpaid Principal Balance	4,353,000		8,704,000
Related Allowance	368,000		955,000
Average Recorded Investment	4,230,000		6,052,000
Interest Income Recognized	40,000		160,000
One- to four-family residential [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	36,249,000		43,380,000
Unpaid Principal Balance	37,802,000		45,676,000
Related Allowance	1,688,000		1,806,000
Average Recorded Investment	37,574,000		44,558,000
Interest Income Recognized	823,000		1,303,000
Consumer [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	1,190,000		1,891,000
Unpaid Principal Balance	1,356,000		2,015,000
Related Allowance	59,000		48,000
Average Recorded Investment	1,230,000		2,051,000
Interest Income Recognized	28,000		5,000
Consumer secured by one- to four-family [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	1,374,000		2,683,000
Unpaid Principal Balance	1,519,000		3,475,000
Related Allowance	46,000		80,000
Average Recorded Investment	1,470,000		3,040,000
Interest Income Recognized	19,000		29,000
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	15,766,000	[1]	28,729,000	[1]
Unpaid Principal Balance	18,010,000	[1]	32,220,000	[1]
Related Allowance	896,000	[1]	2,613,000	[1]
Average Recorded Investment	16,676,000	[1]	27,512,000	[1]
Interest Income Recognized	110,000	[1]	565,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | Commerical real estate - owner-occupied [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	803,000	[1]	1,300,000	[1]
Unpaid Principal Balance	1,003,000	[1]	1,551,000	[1]
Related Allowance	38,000	[1]	103,000	[1]
Average Recorded Investment	879,000	[1]	1,470,000	[1]
Interest Income Recognized	0	[1]	0	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | Commerical real estate - investment properties [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	466,000	[1]	624,000	[1]
Unpaid Principal Balance	1,011,000	[1]	861,000	[1]
Related Allowance	97,000	[1]	90,000	[1]
Average Recorded Investment	684,000	[1]	735,000	[1]
Interest Income Recognized	0	[1]	17,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | Multifamily real estate [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	2,034,000	[1]	2,131,000	[1]
Unpaid Principal Balance	2,034,000	[1]	2,131,000	[1]
Related Allowance	359,000	[1]	392,000	[1]
Average Recorded Investment	2,053,000	[1]	2,136,000	[1]
Interest Income Recognized	58,000	[1]	113,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | One-to four-family construction [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	561,000	[1]	4,460,000	[1]
Unpaid Principal Balance	737,000	[1]	4,460,000	[1]
Related Allowance	81,000	[1]	571,000	[1]
Average Recorded Investment	578,000	[1]	3,335,000	[1]
Interest Income Recognized	0	[1]	145,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | Land and land development - residential [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	242,000	[1]	2,122,000	[1]
Unpaid Principal Balance	243,000	[1]	2,587,000	[1]
Related Allowance	87,000	[1]	404,000	[1]
Average Recorded Investment	246,000	[1]	2,948,000	[1]
Interest Income Recognized	13,000	[1]	73,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | Land and land development - commercial [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	'		46,000	[1]
Unpaid Principal Balance	'		46,000	[1]
Related Allowance	'		12,000	[1]
Average Recorded Investment	'		46,000	[1]
Interest Income Recognized	'		0	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | Commercial business [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	2,697,000	[1]	4,352,000	[1]
Unpaid Principal Balance	3,238,000	[1]	4,970,000	[1]
Related Allowance	165,000	[1]	821,000	[1]
Average Recorded Investment	3,083,000	[1]	2,121,000	[1]
Interest Income Recognized	1,000	[1]	154,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | One- to four-family residential [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	7,538,000	[1]	10,886,000	[1]
Unpaid Principal Balance	8,024,000	[1]	12,004,000	[1]
Related Allowance	49,000	[1]	150,000	[1]
Average Recorded Investment	7,681,000	[1]	11,458,000	[1]
Interest Income Recognized	37,000	[1]	44,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | Consumer [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	508,000	[1]	1,167,000	[1]
Unpaid Principal Balance	658,000	[1]	1,275,000	[1]
Related Allowance	3,000	[1]	16,000	[1]
Average Recorded Investment	532,000	[1]	1,297,000	[1]
Interest Income Recognized	1,000	[1]	5,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member] | Consumer secured by one- to four-family [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	917,000	[1]	1,641,000	[1]
Unpaid Principal Balance	1,062,000	[1]	2,335,000	[1]
Related Allowance	17,000	[1]	54,000	[1]
Average Recorded Investment	940,000	[1]	1,966,000	[1]
Interest Income Recognized	0	[1]	14,000	[1]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	59,526,000	[2]	63,123,000	[2]
Unpaid Principal Balance	61,931,000	[2]	66,012,000	[2]
Related Allowance	5,824,000	[2]	5,725,000	[2]
Average Recorded Investment	60,410,000	[2]	65,071,000	[2]
Interest Income Recognized	1,718,000	[2]	2,183,000	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | Commerical real estate - owner-occupied [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	2,182,000	[2]	2,993,000	[2]
Unpaid Principal Balance	2,182,000	[2]	2,993,000	[2]
Related Allowance	4,000	[2]	518,000	[2]
Average Recorded Investment	2,203,000	[2]	3,113,000	[2]
Interest Income Recognized	9,000	[2]	0	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | Commerical real estate - investment properties [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	6,955,000	[2]	8,884,000	[2]
Unpaid Principal Balance	7,941,000	[2]	10,120,000	[2]
Related Allowance	455,000	[2]	630,000	[2]
Average Recorded Investment	7,598,000	[2]	9,449,000	[2]
Interest Income Recognized	242,000	[2]	229,000	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | Multifamily real estate [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	5,810,000	[2]	5,000,000	[2]
Unpaid Principal Balance	5,810,000	[2]	5,000,000	[2]
Related Allowance	1,256,000	[2]	1,273,000	[2]
Average Recorded Investment	5,689,000	[2]	5,000,000	[2]
Interest Income Recognized	218,000	[2]	295,000	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | One-to four-family construction [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	7,634,000	[2]	3,831,000	[2]
Unpaid Principal Balance	7,634,000	[2]	3,831,000	[2]
Related Allowance	1,070,000	[2]	870,000	[2]
Average Recorded Investment	6,326,000	[2]	3,611,000	[2]
Interest Income Recognized	180,000	[2]	194,000	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | Land and land development - residential [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	5,980,000	[2]	4,782,000	[2]
Unpaid Principal Balance	6,316,000	[2]	4,782,000	[2]
Related Allowance	1,112,000	[2]	586,000	[2]
Average Recorded Investment	6,326,000	[2]	5,039,000	[2]
Interest Income Recognized	198,000	[2]	185,000	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | Land and land development - commercial [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	'		0	[2]
Unpaid Principal Balance	'		0	[2]
Related Allowance	'		0	[2]
Average Recorded Investment	'		0	[2]
Interest Income Recognized	'		0	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | Commercial business [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	1,115,000	[2]	3,373,000	[2]
Unpaid Principal Balance	1,115,000	[2]	3,734,000	[2]
Related Allowance	203,000	[2]	134,000	[2]
Average Recorded Investment	1,147,000	[2]	3,931,000	[2]
Interest Income Recognized	39,000	[2]	6,000	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | One- to four-family residential [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	28,711,000	[2]	32,494,000	[2]
Unpaid Principal Balance	29,778,000	[2]	33,672,000	[2]
Related Allowance	1,639,000	[2]	1,656,000	[2]
Average Recorded Investment	29,893,000	[2]	33,100,000	[2]
Interest Income Recognized	786,000	[2]	1,259,000	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | Consumer [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	682,000	[2]	724,000	[2]
Unpaid Principal Balance	698,000	[2]	740,000	[2]
Related Allowance	56,000	[2]	32,000	[2]
Average Recorded Investment	698,000	[2]	754,000	[2]
Interest Income Recognized	27,000	[2]	0	[2]
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member] | Consumer secured by one- to four-family [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Recorded Investment	457,000	[2]	1,042,000	[2]
Unpaid Principal Balance	457,000	[2]	1,140,000	[2]
Related Allowance	29,000	[2]	26,000	[2]
Average Recorded Investment	530,000	[2]	1,074,000	[2]
Interest Income Recognized	$19,000	[2]	$15,000	[2]
[1]	Loans without a specific allowance reserve have not been individually evaluated for impairment, but have been included in pools of homogeneous loans for evaluation of related allowance reserves.
[2]	Loans with a specific allowance reserve have been individually evaluated for impairment using either a discounted cash flow analysis or, for collateral dependent loans, current appraisals to establish realizable value. These analyses may identify a specific impairment amount needed or may conclude that no reserve is needed. Any specific impairment that is identified is included in the category’s Related Allowance column.

LOANS_RECEIVABLE_AND_THE_ALLOW8

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructuring) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	$50,430	$57,462
Nonaccrual Status	5,746	7,966
Total Modifications	56,176	65,428
Commerical real estate - owner-occupied [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	186	188
Nonaccrual Status	620	1,551
Total Modifications	806	1,739
Commerical real estate - investment properties [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	5,456	7,034
Nonaccrual Status	1,563	1,514
Total Modifications	7,019	8,548
Multifamily real estate [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	5,810	7,131
Nonaccrual Status	0	0
Total Modifications	5,810	7,131
One-to four-family construction [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	7,285	6,726
Nonaccrual Status	712	1,044
Total Modifications	7,997	7,770
Land and land development - residential [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	5,230	4,842
Nonaccrual Status	0	15
Total Modifications	5,230	4,857
Commercial business [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	1,115	2,975
Nonaccrual Status	322	247
Total Modifications	1,437	3,222
One- to four-family residential [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	24,469	27,540
Nonaccrual Status	2,146	2,703
Total Modifications	26,615	30,243
Consumer [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	468	488
Nonaccrual Status	129	396
Total Modifications	597	884
Consumer secured by one- to four-family [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Accrual Status	411	538
Nonaccrual Status	254	496
Total Modifications	$665	$1,034

LOANS_RECEIVABLE_AND_THE_ALLOW9

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Newly Restructured Loans) (Details) (USD $)	3 Months Ended				9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
	contract		contract		contract		contract
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	5	[1],[2]	19	[1],[2]	24	[1],[2]	65	[1],[2]
Pre-Modification Outstanding Recorded Investments	$1,802	[1],[2]	$5,688	[1],[2]	$7,336	[1],[2]	$27,133	[1],[2]
Post-Modification Outstanding Recorded Investments	1,802	[1],[2]	5,688	[1],[2]	7,336	[1],[2]	27,133	[1],[2]
Commerical real estate - owner-occupied [Member]	'		'		'		'
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	'		1	[1],[2]	'		1	[1],[2]
Pre-Modification Outstanding Recorded Investments	'		946	[1],[2]	'		946	[1],[2]
Post-Modification Outstanding Recorded Investments	'		946	[1],[2]	'		946	[1],[2]
Commerical real estate - investment properties [Member]	'		'		'		'
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	'		3	[1],[2]	'		6	[1],[2]
Pre-Modification Outstanding Recorded Investments	'		2,784	[1],[2]	'		3,708	[1],[2]
Post-Modification Outstanding Recorded Investments	'		2,784	[1],[2]	'		3,708	[1],[2]
Multifamily real estate [Member]	'		'		'		'
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	0	[1],[2]	0	[1],[2]	1	[1],[2]	2	[1],[2]
Pre-Modification Outstanding Recorded Investments	0	[1],[2]	0	[1],[2]	376	[1],[2]	5,054	[1],[2]
Post-Modification Outstanding Recorded Investments	0	[1],[2]	0	[1],[2]	376	[1],[2]	5,054	[1],[2]
One-to four-family construction [Member]	'		'		'		'
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	3	[1],[2]	11	[1],[2]	11	[1],[2]	19	[1],[2]
Pre-Modification Outstanding Recorded Investments	773	[1],[2]	1,711	[1],[2]	3,008	[1],[2]	4,504	[1],[2]
Post-Modification Outstanding Recorded Investments	773	[1],[2]	1,711	[1],[2]	3,008	[1],[2]	4,504	[1],[2]
Construction and land - residential [Member]	'		'		'		'
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	2	[1],[2]	0	[1],[2]	2	[1],[2]	6	[1],[2]
Pre-Modification Outstanding Recorded Investments	1,029	[1],[2]	0	[1],[2]	1,029	[1],[2]	2,059	[1],[2]
Post-Modification Outstanding Recorded Investments	1,029	[1],[2]	0	[1],[2]	1,029	[1],[2]	2,059	[1],[2]
Commercial business [Member]	'		'		'		'
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	'		3	[1],[2]	'		9	[1],[2]
Pre-Modification Outstanding Recorded Investments	'		94	[1],[2]	'		1,309	[1],[2]
Post-Modification Outstanding Recorded Investments	'		94	[1],[2]	'		1,309	[1],[2]
One- to four-family residential [Member]	'		'		'		'
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	'		1	[1],[2]	'		18	[1],[2]
Pre-Modification Outstanding Recorded Investments	'		153	[1],[2]	'		9,182	[1],[2]
Post-Modification Outstanding Recorded Investments	'		153	[1],[2]	'		9,182	[1],[2]
Consumer [Member]	'		'		'		'
Financing Receivable, Modifications [Line Items]	'		'		'		'
Number of Contracts	'		0	[1],[2]	'		3	[1],[2]
Pre-Modification Outstanding Recorded Investments	'		0	[1],[2]	'		220	[1],[2]
Post-Modification Outstanding Recorded Investments	'		$0	[1],[2]	'		$220	[1],[2]
[1]	Since most loans were already considered classified and/or on nonaccrual status prior to restructuring, the modifications did not have a material effect on the Company’s determination of the allowance for loan losses.
[2]	The majority of these modifications do not fit into one separate type, such as rate, term, amount, interest-only or payment, but instead are a combination of multiple types of modifications; therefore, they are disclosed in aggregate.

Recovered_Sheet4

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructuring Which Incurred Payment Default) (Details) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'
TDRs Which Incurred a Payment Default	$137	$0	$137	$1,917
Commerical real estate - owner-occupied [Member]	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'
TDRs Which Incurred a Payment Default	0	0	0	1,358
Commercial business [Member]	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'
TDRs Which Incurred a Payment Default	137	0	137	0
Land and land development - residential [Member]	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'
TDRs Which Incurred a Payment Default	$0	$0	$0	$559

Recovered_Sheet5

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Risk-Rate and Non-Risk Rated Loans by Grade and Other Characteristic) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012		Sep. 30, 2012
In Thousands, unless otherwise specified
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	$3,275,436	$3,235,714		$3,213,523
Commercial real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	1,122,098	1,073,222		1,082,136
Multifamily real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	133,770	137,504		138,716
Construction and Land [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	333,612	304,617		300,795
Commercial business [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	635,658	618,049		603,606
Agricultural business, including secured by farming [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	223,187	230,031		219,084
One- to four-family real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	543,263	581,670		594,413
Total consumer [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	283,848	290,621		274,773
Pass (Risk Ratings 1-5) [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	3,155,251	3,077,933	[1]	'
Pass (Risk Ratings 1-5) [Member] | Commercial real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	1,084,540	1,016,964	[1]	'
Pass (Risk Ratings 1-5) [Member] | Multifamily real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	126,360	130,815	[1]	'
Pass (Risk Ratings 1-5) [Member] | Construction and Land [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	313,108	274,407	[1]	'
Pass (Risk Ratings 1-5) [Member] | Commercial business [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	611,668	581,846	[1]	'
Pass (Risk Ratings 1-5) [Member] | Agricultural business, including secured by farming [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	212,012	228,304	[1]	'
Pass (Risk Ratings 1-5) [Member] | One- to four-family real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	527,655	560,781	[1]	'
Pass (Risk Ratings 1-5) [Member] | Total consumer [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	279,908	284,816	[1]	'
Pass (Risk Ratings 1-5) [Member] | Small Credit-Scored Business Loans [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	81,000	77,000		'
Special mention [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	13,076	26,682		'
Special mention [Member] | Commercial real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	6,033	14,332		'
Special mention [Member] | Multifamily real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Special mention [Member] | Construction and Land [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	481	3,146		'
Special mention [Member] | Commercial business [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	5,802	7,905		'
Special mention [Member] | Agricultural business, including secured by farming [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	621	713		'
Special mention [Member] | One- to four-family real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	438		'
Special mention [Member] | Total consumer [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	139	148		'
Substandard [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	106,556	130,544		'
Substandard [Member] | Commercial real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	30,981	41,382		'
Substandard [Member] | Multifamily real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	7,410	6,689		'
Substandard [Member] | Construction and Land [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	20,023	27,064		'
Substandard [Member] | Commercial business [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	18,179	28,287		'
Substandard [Member] | Agricultural business, including secured by farming [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	10,554	1,014		'
Substandard [Member] | One- to four-family real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	15,608	20,451		'
Substandard [Member] | Total consumer [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	3,801	5,657		'
Doubtful [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	553	555		'
Doubtful [Member] | Commercial real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	544	544		'
Doubtful [Member] | Multifamily real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Doubtful [Member] | Construction and Land [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Doubtful [Member] | Commercial business [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	9	11		'
Doubtful [Member] | Agricultural business, including secured by farming [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Doubtful [Member] | One- to four-family real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Doubtful [Member] | Total consumer [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Loss [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Loss [Member] | Commercial real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Loss [Member] | Multifamily real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Loss [Member] | Construction and Land [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Loss [Member] | Commercial business [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Loss [Member] | Agricultural business, including secured by farming [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Loss [Member] | One- to four-family real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Loss [Member] | Total consumer [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0		'
Performing loans [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	3,250,574	3,201,324		'
Performing loans [Member] | Commercial real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	1,117,336	1,066,643		'
Performing loans [Member] | Multifamily real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	131,736	137,504		'
Performing loans [Member] | Construction and Land [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	331,710	300,945		'
Performing loans [Member] | Commercial business [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	634,671	613,299		'
Performing loans [Member] | Agricultural business, including secured by farming [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	223,187	230,031		'
Performing loans [Member] | One- to four-family real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	529,772	565,829		'
Performing loans [Member] | Total consumer [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	282,162	287,073		'
Nonperforming loans [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	24,862	34,390	[2]	'
Nonperforming loans [Member] | Commercial real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	4,762	6,579	[2]	'
Nonperforming loans [Member] | Multifamily real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	2,034	0	[2]	'
Nonperforming loans [Member] | Construction and Land [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	1,902	3,672	[2]	'
Nonperforming loans [Member] | Commercial business [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	987	4,750	[2]	'
Nonperforming loans [Member] | Agricultural business, including secured by farming [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	0	0	[2]	'
Nonperforming loans [Member] | One- to four-family real estate [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	13,491	15,841	[2]	'
Nonperforming loans [Member] | Total consumer [Member]	'	'		'
Financing Receivable, Recorded Investment [Line Items]	'	'		'
Total loans outstanding	$1,686	$3,548	[2]	'
[1]	The Pass category includes some performing loans that are part of homogenous pools which are not individually risk-rated. This includes all consumer loans, all one- to four-family residential loans and, as of September 30, 2013 and December 31, 2012, in the commercial business category, $81 million and $77 million, respectively, of credit-scored small business loans. As loans in these pools become non-performing, they are individually risk-rated.
[2]	Non-performing loans include non-accrual loans and loans past due greater than 90 days and on accrual status.

Recovered_Sheet6

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Age Analysis of Company's Past Due Loans) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
In Thousands, unless otherwise specified
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	$4,707	$9,870	'
60 to 89 Days Past Due	7,776	4,264	'
Greater Than 90 Days Past Due	15,321	19,267	'
Total Past Due	27,804	33,401	'
Current	3,247,632	3,202,313	'
Total loans outstanding	3,275,436	3,235,714	3,213,523
Loans 90 Days or More Past Due and Accruing	4,793	3,029	'
Commerical real estate - owner-occupied [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	2,374	1,693	'
60 to 89 Days Past Due	1,675	0	'
Greater Than 90 Days Past Due	1,386	1,371	'
Total Past Due	5,435	3,064	'
Current	502,906	486,517	'
Total loans outstanding	508,341	489,581	477,871
Loans 90 Days or More Past Due and Accruing	0	0	'
Commerical real estate - investment properties [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	92	743	'
60 to 89 Days Past Due	0	0	'
Greater Than 90 Days Past Due	1,499	1,431	'
Total Past Due	1,591	2,174	'
Current	612,166	581,467	'
Total loans outstanding	613,757	583,641	604,265
Loans 90 Days or More Past Due and Accruing	0	0	'
Multifamily real estate [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	0	0	'
60 to 89 Days Past Due	0	0	'
Greater Than 90 Days Past Due	1,701	0	'
Total Past Due	1,701	0	'
Current	132,069	137,504	'
Total loans outstanding	133,770	137,504	138,716
Loans 90 Days or More Past Due and Accruing	1,701	0	'
Commercial construction [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	0	0	'
60 to 89 Days Past Due	0	0	'
Greater Than 90 Days Past Due	0	0	'
Total Past Due	0	0	'
Current	18,730	30,229	'
Total loans outstanding	18,730	30,229	28,598
Loans 90 Days or More Past Due and Accruing	0	0	'
Multifamily construction [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	0	0	'
60 to 89 Days Past Due	0	0	'
Greater Than 90 Days Past Due	0	0	'
Total Past Due	0	0	'
Current	33,888	22,581	'
Total loans outstanding	33,888	22,581	14,502
Loans 90 Days or More Past Due and Accruing	0	0	'
One-to four-family construction [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	0	611	'
60 to 89 Days Past Due	0	0	'
Greater Than 90 Days Past Due	910	0	'
Total Past Due	910	611	'
Current	193,277	160,204	'
Total loans outstanding	194,187	160,815	163,521
Loans 90 Days or More Past Due and Accruing	0	0	'
Land and land development - residential [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	0	0	'
60 to 89 Days Past Due	0	0	'
Greater Than 90 Days Past Due	993	2,047	'
Total Past Due	993	2,047	'
Current	74,583	74,963	'
Total loans outstanding	75,576	77,010	79,932
Loans 90 Days or More Past Due and Accruing	242	0	'
Land and land development - commercial [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	0	2,083	'
60 to 89 Days Past Due	0	0	'
Greater Than 90 Days Past Due	0	45	'
Total Past Due	0	2,128	'
Current	11,231	11,854	'
Total loans outstanding	11,231	13,982	14,242
Loans 90 Days or More Past Due and Accruing	0	0	'
Commercial business [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	421	1,849	'
60 to 89 Days Past Due	57	49	'
Greater Than 90 Days Past Due	516	842	'
Total Past Due	994	2,740	'
Current	634,664	615,309	'
Total loans outstanding	635,658	618,049	603,606
Loans 90 Days or More Past Due and Accruing	24	0	'
Agricultural business, including secured by farming [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	0	0	'
60 to 89 Days Past Due	108	0	'
Greater Than 90 Days Past Due	0	0	'
Total Past Due	108	0	'
Current	223,079	230,031	'
Total loans outstanding	223,187	230,031	219,084
Loans 90 Days or More Past Due and Accruing	0	0	'
One- to four-family real estate [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	1,042	1,376	'
60 to 89 Days Past Due	5,129	3,468	'
Greater Than 90 Days Past Due	7,558	11,488	'
Total Past Due	13,729	16,332	'
Current	529,534	565,338	'
Total loans outstanding	543,263	581,670	594,413
Loans 90 Days or More Past Due and Accruing	2,774	2,877	'
Consumer [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	319	816	'
60 to 89 Days Past Due	58	673	'
Greater Than 90 Days Past Due	475	839	'
Total Past Due	852	2,328	'
Current	112,977	118,170	'
Total loans outstanding	113,829	120,498	103,393
Loans 90 Days or More Past Due and Accruing	29	152	'
Consumer secured by one- to four-family [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30 to 59 Days Past Due	459	699	'
60 to 89 Days Past Due	749	74	'
Greater Than 90 Days Past Due	283	1,204	'
Total Past Due	1,491	1,977	'
Current	168,528	168,146	'
Total loans outstanding	170,019	170,123	171,380
Loans 90 Days or More Past Due and Accruing	$23	$0	'

Recovered_Sheet7

LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Allowance for Credit Losses) (Details) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	$76,853	$80,221	$77,491	$82,912	'
Provision for loan losses	0	3,000	0	12,000	'
Recoveries	1,529	474	5,668	4,126	'
Charge-offs	-1,725	-4,912	-6,502	-20,255	'
Ending balance	76,657	78,783	76,657	78,783	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	5,823	5,363	5,823	5,363	'
Allowance collectively evaluated for impairment	70,834	73,420	70,834	73,420	'
Total allowance for loan losses	76,657	78,783	76,657	78,783	'
Loans individually evaluated for impairment	59,525	58,747	59,525	58,747	'
Loans collectively evaluated for impairment	3,215,911	3,154,776	3,215,911	3,154,776	'
Total loans outstanding	3,275,436	3,213,523	3,275,436	3,213,523	3,235,714
Commercial real estate [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	14,898	16,834	15,322	16,457	'
Provision for loan losses	1,239	-263	-383	2,065	'
Recoveries	331	130	2,295	762	'
Charge-offs	-850	-924	-1,616	-3,507	'
Ending balance	15,618	15,777	15,618	15,777	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	459	955	459	955	'
Allowance collectively evaluated for impairment	15,159	14,822	15,159	14,822	'
Total allowance for loan losses	15,618	15,777	15,618	15,777	'
Loans individually evaluated for impairment	9,137	11,867	9,137	11,867	'
Loans collectively evaluated for impairment	1,112,961	1,070,269	1,112,961	1,070,269	'
Total loans outstanding	1,122,098	1,082,136	1,122,098	1,082,136	1,073,222
Multifamily [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	4,973	5,108	4,506	3,952	'
Provision for loan losses	310	-367	777	789	'
Recoveries	0	0	0	0	'
Charge-offs	0	0	0	0	'
Ending balance	5,283	4,741	5,283	4,741	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	1,256	1,414	1,256	1,414	'
Allowance collectively evaluated for impairment	4,027	3,327	4,027	3,327	'
Total allowance for loan losses	5,283	4,741	5,283	4,741	'
Loans individually evaluated for impairment	5,810	5,000	5,810	5,000	'
Loans collectively evaluated for impairment	127,960	133,716	127,960	133,716	'
Total loans outstanding	133,770	138,716	133,770	138,716	'
Construction and Land [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	16,625	16,974	14,991	18,184	'
Provision for loan losses	-464	-628	1,586	1,369	'
Recoveries	507	35	945	1,455	'
Charge-offs	0	-617	-854	-5,244	'
Ending balance	16,668	15,764	16,668	15,764	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	2,182	1,439	2,182	1,439	'
Allowance collectively evaluated for impairment	14,486	14,325	14,486	14,325	'
Total allowance for loan losses	16,668	15,764	16,668	15,764	'
Loans individually evaluated for impairment	13,613	14,020	13,613	14,020	'
Loans collectively evaluated for impairment	319,999	286,775	319,999	286,775	'
Total loans outstanding	333,612	300,795	333,612	300,795	304,617
Multifamily real estate [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Total loans outstanding	133,770	138,716	133,770	138,716	137,504
Commercial business [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	10,806	12,352	9,957	15,159	'
Provision for loan losses	-223	-118	901	-97	'
Recoveries	339	154	1,391	1,030	'
Charge-offs	-246	-1,687	-1,573	-5,391	'
Ending balance	10,676	10,701	10,676	10,701	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	202	383	202	383	'
Allowance collectively evaluated for impairment	10,474	10,318	10,474	10,318	'
Total allowance for loan losses	10,676	10,701	10,676	10,701	'
Loans individually evaluated for impairment	1,115	6,115	1,115	6,115	'
Loans collectively evaluated for impairment	634,543	597,491	634,543	597,491	'
Total loans outstanding	635,658	603,606	635,658	603,606	618,049
Agricultural business, including secured by farming [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	3,805	1,294	2,295	1,548	'
Provision for loan losses	-411	1,044	752	1,050	'
Recoveries	265	30	612	45	'
Charge-offs	-248	-26	-248	-301	'
Ending balance	3,411	2,342	3,411	2,342	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	0	0	0	0	'
Allowance collectively evaluated for impairment	3,411	2,342	3,411	2,342	'
Total allowance for loan losses	3,411	2,342	3,411	2,342	'
Loans individually evaluated for impairment	0	0	0	0	'
Loans collectively evaluated for impairment	223,187	219,084	223,187	219,084	'
Total loans outstanding	223,187	219,084	223,187	219,084	230,031
One To Four Family [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	14,974	14,213	16,475	12,299	'
Provision for loan losses	-1,599	2,614	-2,166	7,021	'
Recoveries	19	34	138	412	'
Charge-offs	-207	-709	-1,260	-3,580	'
Ending balance	13,187	16,152	13,187	16,152	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	1,639	1,139	1,639	1,139	'
Allowance collectively evaluated for impairment	11,548	15,013	11,548	15,013	'
Total allowance for loan losses	13,187	16,152	13,187	16,152	'
Loans individually evaluated for impairment	28,711	20,719	28,711	20,719	'
Loans collectively evaluated for impairment	514,552	573,694	514,552	573,694	'
Total loans outstanding	543,263	594,413	543,263	594,413	'
Total consumer [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	1,011	1,365	1,348	1,253	'
Provision for loan losses	43	814	264	1,878	'
Recoveries	68	91	287	422	'
Charge-offs	-174	-949	-951	-2,232	'
Ending balance	948	1,321	948	1,321	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	85	33	85	33	'
Allowance collectively evaluated for impairment	863	1,288	863	1,288	'
Total allowance for loan losses	948	1,321	948	1,321	'
Loans individually evaluated for impairment	1,139	1,026	1,139	1,026	'
Loans collectively evaluated for impairment	282,709	273,747	282,709	273,747	'
Total loans outstanding	283,848	274,773	283,848	274,773	290,621
Commitments and Unallocated [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Roll Forward]	'	'	'	'	'
Beginning balance	9,761	12,081	12,597	14,060	'
Provision for loan losses	1,105	-96	-1,731	-2,075	'
Recoveries	0	0	0	0	'
Charge-offs	0	0	0	0	'
Ending balance	10,866	11,985	10,866	11,985	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Allowance individually evaluated for impairment	0	0	0	0	'
Allowance collectively evaluated for impairment	10,866	11,985	10,866	11,985	'
Total allowance for loan losses	10,866	11,985	10,866	11,985	'
Loans individually evaluated for impairment	0	0	0	0	'
Loans collectively evaluated for impairment	0	0	0	0	'
Total loans outstanding	0	0	0	0	'
One- to four-family real estate [Member]	'	'	'	'	'
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]	'	'	'	'	'
Total loans outstanding	$543,263	$594,413	$543,263	$594,413	$581,670

REAL_ESTATE_OWNED_NET_REO_Roll

REAL ESTATE OWNED, NET (REO Rollforward) (Details) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Real Estate Owned [Roll Forward]	'	'	'	'
Balance, beginning of the period	$6,714	$25,816	$15,778	$42,965
Additions from loan foreclosures	963	3,111	2,467	11,598
Additions from capitalized costs	297	97	344	231
Dispositions of REO	-3,970	-10,368	-15,758	-33,608
Gain (loss) on sale of REO	1,005	2,955	2,477	3,621
Valuation adjustments in period	-191	-1,255	490	4,451
Balance, end of the period	$4,818	$20,356	$4,818	$20,356

REAL_ESTATE_OWNED_NET_REO_by_T

REAL ESTATE OWNED, NET (REO by Type and Geographic Location by State) (Details) (USD $)	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011
In Thousands, unless otherwise specified
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	$4,818	$6,714	$15,778	$20,356	$25,816	$42,965
Washington [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	2,376	'	'	'	'	'
Oregon [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	2,174	'	'	'	'	'
Idaho [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	268	'	'	'	'	'
Commercial real estate [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	199	'	'	'	'	'
Commercial real estate [Member] | Washington [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	0	'	'	'	'	'
Commercial real estate [Member] | Oregon [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	0	'	'	'	'	'
Commercial real estate [Member] | Idaho [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	199	'	'	'	'	'
Land development-residential [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	3,067	'	'	'	'	'
Land development-residential [Member] | Washington [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	1,179	'	'	'	'	'
Land development-residential [Member] | Oregon [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	1,819	'	'	'	'	'
Land development-residential [Member] | Idaho [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	69	'	'	'	'	'
One- to four-family real estate [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	1,552	'	'	'	'	'
One- to four-family real estate [Member] | Washington [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	1,197	'	'	'	'	'
One- to four-family real estate [Member] | Oregon [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	355	'	'	'	'	'
One- to four-family real estate [Member] | Idaho [Member]	'	'	'	'	'	'
Real Estate Owned [Line Items]	'	'	'	'	'	'
Real Estate Owned, Net	$0	'	'	'	'	'

INTANGIBLE_ASSETS_AND_MORTGAGE2

INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Finite-Lived Intangible Assets) (Details) (USD $)	3 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2007	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2013
	acquisition	acquisition	Core Deposit Intangibles [Member]	Core Deposit Intangibles [Member]	Minimum [Member]	Maximum [Member]
					Core Deposit Intangibles [Member]	Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]	'	'	'	'	'	'
Number of Bank Acquisitions, Created Finite-Lived Intangible Asset	1	3	'	'	'	'
Finite-Lived Intangible Asset, Useful Life	'	'	'	'	'3 years	'8 years
Finite-lived Intangible Assets [Roll Forward]	'	'	'	'	'	'
Balance, beginning of period	'	'	$4,230	$6,322	'	'
Finite-lived Intangible Assets Acquired	'	'	160	'	'	'
Amortization	'	'	-1,453	-2,092	'	'
Balance, end of period	'	'	$2,937	$4,230	'	'

INTANGIBLE_ASSETS_AND_MORTGAGE3

INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Estimated Annual Amortization Expense) (Details) (Core Deposit Intangibles [Member], USD $)	Sep. 30, 2013
In Thousands, unless otherwise specified
Core Deposit Intangibles [Member]	'
Finite-Lived Intangible Assets [Line Items]	'
31-Dec-13	$1,941
31-Dec-14	1,800
31-Dec-15	640
31-Dec-16	9
Future amortization expense	$4,390

INTANGIBLE_ASSETS_AND_MORTGAGE4

INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Mortgage Servicing Rights) (Details) (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012		Dec. 31, 2012
Mortgage Servicing Rights [Member]	'		'		'		'		'
Morgage Servicing Rights at Amortized Value [Line Items]	'		'		'		'		'
Custodial Accounts	$3,600,000		$7,300,000		$3,600,000		$7,300,000		$4,700,000
Valuation allowance	300,000	[1]	900,000	[1]	300,000	[1]	900,000	[1]	'
Servicing Asset at Amortized Value, Balance [Roll Forward]	'		'		'		'		'
Balance, beginning of the period	7,036,000		6,202,000		6,244,000		5,584,000		'
Amounts capitalized	769,000		931,000		2,352,000		2,784,000		'
Amortization	-520,000	[2]	-682,000	[2]	-1,911,000	[2]	-1,917,000	[2]	'
Valuation adjustments in the period	400,000		0		1,000,000		0		'
Balance, end of the period	7,685,000	[1]	6,451,000	[1]	7,685,000	[1]	6,451,000	[1]	'
Servicing Contracts for Third Parties [Member]	'		'		'		'		'
Morgage Servicing Rights at Amortized Value [Line Items]	'		'		'		'		'
Loans Serviced For Others	$1,086,000,000		$850,000,000		$1,086,000,000		$850,000,000		$918,000,000
[1]	Balances as of September 30, 2013 and 2012 are net of valuation allowances of $300,000 and $900,000, respectively.
[2]	Amortization of mortgage servicing rights is recorded as a reduction of loan servicing income and any unamortized balance is fully written off if the loan repays in full.

DEPOSITS_AND_CUSTOMER_REPURCHA2

DEPOSITS AND CUSTOMER REPURCHASE AGREEMENTS (Deposit Liabilities) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
In Thousands, unless otherwise specified
Banking and Thrift [Abstract]	'	'	'
Non-interest-bearing accounts	$1,051,831	$981,240	$918,962
Interest-bearing checking	399,343	410,316	379,650
Regular savings accounts	775,260	727,957	689,322
Money market accounts	408,827	408,998	411,262
Total transaction and saving accounts	2,635,261	2,528,511	2,399,196
Certificates, within 1 year	667,444	759,626	818,283
Certificates, after 1 year, but within 3 years	183,411	209,790	205,030
Certificates, after 3 years	49,169	59,877	63,863
Total certificate accounts	900,024	1,029,293	1,087,176
Total deposits	3,535,285	3,557,804	3,486,372
Public fund transaction accounts	70,470	79,955	72,407
Public fund interest-bearing certificates	51,562	60,518	61,628
Total public deposits	122,032	140,473	134,035
Total brokered deposits	$4,531	$15,702	$21,403
Non-interest-bearing accounts, percent of total	29.70%	27.60%	26.30%
Interest-bearing checking, percent of total	11.30%	11.50%	10.90%
Regular savings accounts, percent of total	21.90%	20.50%	19.80%
Money market accounts, percent of total	11.60%	11.50%	11.80%
Total transaction and saving accounts, percent of total	74.50%	71.10%	68.80%
Certificates, within 1 year, percent of total	18.90%	21.30%	23.50%
Certificates, after 1 year, but within 3 years, percent of total	5.20%	5.90%	5.90%
Certificates, after 3 years, percent of total	1.40%	1.70%	1.80%
Total certificate accounts, percent of total	25.50%	28.90%	31.20%
Total deposits, percent of total	100.00%	100.00%	100.00%
Public fund transaction accounts, percent of total	2.00%	2.20%	2.00%
Public fund interest-bearing certificates, percent of total	1.50%	1.70%	1.80%
Total public deposits, percent of total	3.50%	3.90%	3.80%
Total brokered deposits, percent of total	0.10%	0.40%	0.60%

DEPOSITS_AND_CUSTOMER_REPURCHA3

DEPOSITS AND CUSTOMER REPURCHASE AGREEMENTS (Geographic Concentration of Deposits) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
In Thousands, unless otherwise specified
Deposit Liabilities [Line Items]	'	'	'
Total deposits	$3,535,285	$3,557,804	$3,486,372
Percent of total deposits	100.00%	100.00%	100.00%
Washington [Member]	'	'	'
Deposit Liabilities [Line Items]	'	'	'
Total deposits	2,679,104	'	'
Percent of total deposits	75.80%	'	'
Oregon [Member]	'	'	'
Deposit Liabilities [Line Items]	'	'	'
Total deposits	610,205	'	'
Percent of total deposits	17.30%	'	'
Idaho [Member]	'	'	'
Deposit Liabilities [Line Items]	'	'	'
Total deposits	$245,976	'	'
Percent of total deposits	6.90%	'	'

DEPOSITS_AND_CUSTOMER_REPURCHA4

DEPOSITS AND CUSTOMER REPURCHASE AGREEMENTS (Retail Repurchase Agreements) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
In Thousands, unless otherwise specified
Banking and Thrift [Abstract]	'	'	'
Retail repurchase agreements	$82,909	$76,633	$82,275

DEPOSITS_AND_CUSTOMER_REPURCHA5

DEPOSITS AND CUSTOMER REPURCHASE AGREEMENTS DEPOSITS AND CUSTOMER REPURCHASE AGREEMENTS (Textual) (Details) (USD $)	Sep. 30, 2013	Sep. 30, 2012
In Millions, unless otherwise specified
Banking and Thrift [Abstract]	'	'
Time Deposits, $100,000 or More	$499	$571

FAIR_VALUE_ACCOUNTING_AND_MEAS2

FAIR VALUE ACCOUNTING AND MEASUREMENT (Asset Inputs) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2013	Mar. 31, 2013
			TRUP CDO Securities [Member]	TPS Securities [Member]	TPS Securities [Member]
			Discounted cash flows [Member]	Discounted cash flows [Member]	Discounted cash flows [Member]
			Level 3 [Member]	Level 3 [Member]	Level 3 [Member]
				financial_institution
Fair Value Inputs, Assets, Quantitative Information [Line Items]	'	'	'	'	'
Amortized Cost	$76,525,000	$90,339,000	$31,000,000	$19,000,000	'
Number of Individual Financial Institutions Issuing Securities With No Direct Market Data or Independent Valuation Source Available	'	'	'	3	'
Discount Rate, Description of Variable Rate Basis	'	'	'	'three-month LIBOR	'
Discount Rate, Basis Spread on Variable Rate Basis	'	'	'	5.25%	5.25%
Asset gains	'	'	($9,000)	$0	'

FAIR_VALUE_ACCOUNTING_AND_MEAS3

FAIR VALUE ACCOUNTING AND MEASUREMENT (Liability Inputs) (Details) (Junior Subordinated Debt [Member], USD $)	3 Months Ended		9 Months Ended		3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2013
					Discounted cash flows [Member]	Discounted cash flows [Member]	Junior Subordinated Debentures with Variable Interest Rates Which Reset Quarterly [Member]	Junior Subordinated Debentures with Variable Interest Rates Which Reset Quarterly [Member]
					Level 3 [Member]	Level 3 [Member]	Minimum [Member]	Maximum [Member]
							Discounted cash flows [Member]	Discounted cash flows [Member]
							Level 3 [Member]	Level 3 [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]	'	'	'	'	'	'	'	'
Debt Instrument, Basis Spread on Variable Rate	'	'	'	'	'	'	1.38%	3.35%
Discount Rate, Description of Variable Rate Basis	'	'	'	'	'three-month LIBOR	'	'	'
Discount Rate, Basis Spread on Variable Rate Basis	'	'	'	'	5.25%	'	'	'
Fair Value Loss on Instruments	$166,000	$2,518,000	$574,000	$23,083,000	'	($166,000)	'	'

FAIR_VALUE_ACCOUNTING_AND_MEAS4

FAIR VALUE ACCOUNTING AND MEASUREMENT (Assets and Liabilities Measured at Fair Value) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	$477,407	$472,920
Securities—trading, amortized cost $76,525 and $90,339, respectively	63,887	71,232
Recurring [Member] | Level 1 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Total assets	0	0
Advances from FHLB at faur valus	0	0
Junior subordinated debentures net of unamortized deferred issuance costs at fair value	0	0
Total liabilities	0	0
Recurring [Member] | Level 1 [Member] | Interest rate lock commitments [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Derivative assets	0	0
Derivative liabilities	0	0
Recurring [Member] | Level 1 [Member] | Interest rate swaps [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Derivative assets	0	0
Derivative liabilities	0	0
Recurring [Member] | Level 1 [Member] | U.S. Government and agency obligations [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 1 [Member] | Municipal bonds [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 1 [Member] | Corporate bonds [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Recurring [Member] | Level 1 [Member] | TPS and TRUP CDOs [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 1 [Member] | Mortgage-backed securities [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 1 [Member] | Equity securities and other [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 1 [Member] | Asset-backed Securities [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Recurring [Member] | Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	477,407	472,920
Securities—trading, amortized cost $76,525 and $90,339, respectively	28,792	35,491
Total assets	511,308	517,274
Advances from FHLB at faur valus	20,258	10,304
Junior subordinated debentures net of unamortized deferred issuance costs at fair value	0	0
Total liabilities	25,347	18,852
Recurring [Member] | Level 2 [Member] | Interest rate lock commitments [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Derivative assets	494	510
Derivative liabilities	474	195
Recurring [Member] | Level 2 [Member] | Interest rate swaps [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Derivative assets	4,615	8,353
Derivative liabilities	4,615	8,353
Recurring [Member] | Level 2 [Member] | U.S. Government and agency obligations [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	58,768	96,980
Securities—trading, amortized cost $76,525 and $90,339, respectively	1,510	1,637
Recurring [Member] | Level 2 [Member] | Municipal bonds [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	55,315	44,938
Securities—trading, amortized cost $76,525 and $90,339, respectively	4,987	5,684
Recurring [Member] | Level 2 [Member] | Corporate bonds [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	9,000	10,729
Recurring [Member] | Level 2 [Member] | TPS and TRUP CDOs [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 2 [Member] | Mortgage-backed securities [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	329,075	277,757
Securities—trading, amortized cost $76,525 and $90,339, respectively	22,227	28,107
Recurring [Member] | Level 2 [Member] | Equity securities and other [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—trading, amortized cost $76,525 and $90,339, respectively	68	63
Recurring [Member] | Level 2 [Member] | Asset-backed Securities [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	25,249	42,516
Recurring [Member] | Level 3 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Securities—trading, amortized cost $76,525 and $90,339, respectively	35,095	35,741
Total assets	35,095	35,741
Advances from FHLB at faur valus	0	0
Junior subordinated debentures net of unamortized deferred issuance costs at fair value	73,637	73,063
Total liabilities	73,637	73,063
Recurring [Member] | Level 3 [Member] | Interest rate lock commitments [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Derivative assets	0	0
Derivative liabilities	0	0
Recurring [Member] | Level 3 [Member] | Interest rate swaps [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Derivative assets	0	0
Derivative liabilities	0	0
Recurring [Member] | Level 3 [Member] | U.S. Government and agency obligations [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 3 [Member] | Municipal bonds [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 3 [Member] | Corporate bonds [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Recurring [Member] | Level 3 [Member] | TPS and TRUP CDOs [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—trading, amortized cost $76,525 and $90,339, respectively	35,095	35,741
Recurring [Member] | Level 3 [Member] | Mortgage-backed securities [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 3 [Member] | Equity securities and other [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—trading, amortized cost $76,525 and $90,339, respectively	0	0
Recurring [Member] | Level 3 [Member] | Asset-backed Securities [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	0	0
Recurring [Member] | Total [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	477,407	472,920
Securities—trading, amortized cost $76,525 and $90,339, respectively	63,887	71,232
Total assets	546,403	553,015
Advances from FHLB at faur valus	20,258	10,304
Junior subordinated debentures net of unamortized deferred issuance costs at fair value	73,637	73,063
Total liabilities	98,984	91,915
Recurring [Member] | Total [Member] | Interest rate lock commitments [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Derivative assets	494	510
Derivative liabilities	474	195
Recurring [Member] | Total [Member] | Interest rate swaps [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Derivative assets	4,615	8,353
Derivative liabilities	4,615	8,353
Recurring [Member] | Total [Member] | U.S. Government and agency obligations [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	58,768	96,980
Securities—trading, amortized cost $76,525 and $90,339, respectively	1,510	1,637
Recurring [Member] | Total [Member] | Municipal bonds [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	55,315	44,938
Securities—trading, amortized cost $76,525 and $90,339, respectively	4,987	5,684
Recurring [Member] | Total [Member] | Corporate bonds [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	9,000	10,729
Recurring [Member] | Total [Member] | TPS and TRUP CDOs [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—trading, amortized cost $76,525 and $90,339, respectively	35,095	35,741
Recurring [Member] | Total [Member] | Mortgage-backed securities [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	329,075	277,757
Securities—trading, amortized cost $76,525 and $90,339, respectively	22,227	28,107
Recurring [Member] | Total [Member] | Equity securities and other [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—trading, amortized cost $76,525 and $90,339, respectively	68	63
Recurring [Member] | Total [Member] | Asset-backed Securities [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	$25,249	$42,516

FAIR_VALUE_ACCOUNTING_AND_MEAS5

FAIR VALUE ACCOUNTING AND MEASUREMENT (Unobservable Inputs Rollforward) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Junior Subordinated Debt [Member]	'	'	'	'
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]	'	'	'	'
Beginning balance	$73,471,000	$70,553,000	$73,063,000	$49,988,000
Liabilities (gains)	166,000	2,518,000	574,000	23,083,000
Ending balance	73,637,000	73,071,000	73,637,000	73,071,000
TPS and TRUP CDOs [Member]	'	'	'	'
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]	'	'	'	'
Beginning balance	35,105,000	32,493,000	35,741,000	30,455,000
Assets gains, including OTTI	-10,000	2,687,000	-646,000	4,725,000
Ending balance	$35,095,000	$35,180,000	$35,095,000	$35,180,000

FAIR_VALUE_ACCOUNTING_AND_MEAS6

FAIR VALUE ACCOUNTING AND MEASUREMENT (Non-recurring Basis) (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'		'	'		'	'
Loans individually evaluated for impairment	$59,525,000		$58,747,000	$59,525,000		$58,747,000	'
Allowance for credit losses, write-downs	1,725,000		4,912,000	6,502,000		20,255,000	'
Impaired Financing Receivable, Related Allowance	6,720,000		'	6,720,000		'	8,338,000
Allowance individually evaluated for impairment	5,823,000		5,363,000	5,823,000		5,363,000	'
Loans collectively evaluated for impairment	3,215,911,000		3,154,776,000	3,215,911,000		3,154,776,000	'
Allowance collectively evaluated for impairment	70,834,000		73,420,000	70,834,000		73,420,000	'
Impaired Financing Receivable, with Related Allowance, Recorded Investment	75,292,000		'	75,292,000		'	91,852,000
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	79,941,000		'	79,941,000		'	98,232,000
Nonrecurring [Member] | Level 3 [Member]	'		'	'		'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'		'	'		'	'
Classifed loans	107,000,000		'	107,000,000		'	'
Allowance for credit losses, write-downs	'		'	2,000,000		'	'
Impairment of real estate owned	191,000		1,300,000	'		'	'
With Specific Allowance Reserve , Individually Evaluated for Impairment [Member]	'		'	'		'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'		'	'		'	'
Impaired Financing Receivable, Related Allowance	5,824,000	[1]	'	5,824,000	[1]	'	5,725,000	[1]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	59,526,000	[1]	'	59,526,000	[1]	'	63,123,000	[1]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	61,931,000	[1]	'	61,931,000	[1]	'	66,012,000	[1]
Loans Without Specific Allowance Reserve, Collectively Evaluated for Impairment [Member]	'		'	'		'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'		'	'		'	'
Impaired Financing Receivable, Related Allowance	896,000	[2]	'	896,000	[2]	'	2,613,000	[2]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	15,766,000	[2]	'	15,766,000	[2]	'	28,729,000	[2]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	18,010,000	[2]	'	18,010,000	[2]	'	32,220,000	[2]
Servicing Contracts for Third Parties [Member]	'		'	'		'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'		'	'		'	'
Loans Serviced For Others	1,086,000,000		850,000,000	1,086,000,000		850,000,000	918,000,000
Mortgage Servicing Rights [Member]	'		'	'		'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'		'	'		'	'
Valuation adjustments in the period	400,000		0	1,000,000		0	'
Custodial Accounts	$3,600,000		$7,300,000	$3,600,000		$7,300,000	$4,700,000
[1]	Loans with a specific allowance reserve have been individually evaluated for impairment using either a discounted cash flow analysis or, for collateral dependent loans, current appraisals to establish realizable value. These analyses may identify a specific impairment amount needed or may conclude that no reserve is needed. Any specific impairment that is identified is included in the category’s Related Allowance column.
[2]	Loans without a specific allowance reserve have not been individually evaluated for impairment, but have been included in pools of homogeneous loans for evaluation of related allowance reserves.

FAIR_VALUE_ACCOUNTING_AND_MEAS7

FAIR VALUE ACCOUNTING AND MEASUREMENT (Valuation Technique) (Details) (Weighted Average [Member], Level 3 [Member])	9 Months Ended
	Sep. 30, 2013
TPS Securities [Member] | Discounted cash flows [Member]	'
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]	'
Discount rate	5.50%
TRUP CDO Securities [Member] | Discounted cash flows [Member]	'
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]	'
Discount rate	3.11%
Mortgage Servicing Rights [Member]	'
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]	'
Prepayment rate	12.37%
Mortgage Servicing Rights [Member] | Discounted cash flows [Member]	'
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]	'
Discount rate	10.09%
Junior Subordinated Debt [Member] | Discounted cash flows [Member]	'
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]	'
Discount rate	5.50%

FAIR_VALUE_ACCOUNTING_AND_MEAS8

FAIR VALUE ACCOUNTING AND MEASUREMENT (Assets Measured on Nonrecurring Basis) (Details) (Nonrecurring [Member], USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Level 1 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans	$0	$0
REO	0	0
MSRs	0	0
Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans	0	0
REO	0	0
MSRs	0	0
Level 3 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans	50,875	52,475
REO	4,818	15,778
MSRs	7,684	6,244
Estimated Fair Value	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans	50,875	52,475
REO	4,818	15,778
MSRs	7,684	6,244
Change During Period, Fair Value Disclosure [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans	-4,648	-6,381
REO	-557	-1,915
MSRs	$1,000	($400)

FAIR_VALUE_ACCOUNTING_AND_MEAS9

FAIR VALUE ACCOUNTING AND MEASUREMENT (Fair Value By Balance Sheet Location) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Assets:	'	'
Securities - trading	$63,887	$71,232
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	477,407	472,920
Securities - held-to-maturity	98,401	92,458
Carrying Value	'	'
Assets:	'	'
Cash and due from banks	175,965	181,298
Securities - trading	63,887	71,232
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	477,407	472,920
Securities - held-to-maturity	96,545	86,452
Loans receivable held for sale	8,394	11,920
Loans receivable	3,267,042	3,223,794
FHLB stock	35,708	36,705
Bank-owned life insurance	61,442	59,891
MSRs	7,684	6,244
Derivatives	5,109	8,863
Liabilities:	'	'
Demand NOW, and money market accounts	1,860,001	1,800,555
Regualr savings	775,260	727,956
Certificates of deposit	900,024	1,029,293
FHLB advances at fair value	20,258	10,304
Junior subordinated debentures at fair value	73,637	73,063
Other borrowings	82,909	76,633
Derivatives	5,089	8,548
Estimated Fair Value	'	'
Assets:	'	'
Cash and due from banks	175,965	181,298
Securities - trading	63,887	71,232
Securities—available-for-sale, amortized cost $481,867 and $469,650, respectively	477,407	472,920
Securities - held-to-maturity	98,401	92,458
Loans receivable held for sale	8,394	12,059
Loans receivable	3,164,657	3,143,853
FHLB stock	35,708	36,705
Bank-owned life insurance	61,442	59,891
MSRs	7,684	6,244
Derivatives	5,110	8,863
Liabilities:	'	'
Demand NOW, and money market accounts	1,714,813	1,729,351
Regualr savings	706,326	694,609
Certificates of deposit	893,768	1,033,931
FHLB advances at fair value	20,258	10,304
Junior subordinated debentures at fair value	73,637	73,063
Other borrowings	82,909	76,633
Derivatives	$5,089	$8,548

Recovered_Sheet8

FAIR VALUE ACCOUNTING AND MEASUREMENT (Commitments) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Commitments to originate loans held for sale [Member]	'	'
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]	'	'
Off-balance-sheet financial instruments, notional amount	$30,181,000	$89,049,000
Commitments to sell loans [Member]	'	'
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]	'	'
Off-balance-sheet financial instruments, notional amount	17,877,000	70,263,000
Commitments to originate loans [Member]	'	'
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]	'	'
Off-balance-sheet financial instruments, notional amount	18,657,000	10,733,000
Commitment to fund loans [Member]	'	'
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]	'	'
Off-balance-sheet financial instruments, notional amount	1,119,000,000	925,000,000
Commitment to fund loans [Member] | Level 2 [Member]	'	'
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]	'	'
Off-balance-sheet financial instruments, carrying value	0	0
Commitments to purchase securities [Member]	'	'
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]	'	'
Off-balance-sheet financial instruments, notional amount	0	11,500,000
Number of commitments to purchase securities	0	1
Commitments to sell mortgage backed securities [Member]	'	'
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]	'	'
Off-balance-sheet financial instruments, notional amount	$13,470,000	$41,500,000

INCOME_TAXES_AND_DEFERRED_TAXE1

INCOME TAXES AND DEFERRED TAXES Income taxes receivable (Details) (USD $)	Sep. 30, 2013
Income Tax Examination [Line Items]	'
Income Tax Examination, Interest Receivable	$450,000
Internal Revenue Service (IRS) [Member]	'
Income Tax Examination [Line Items]	'
Income Tax Refund From the Utilization of Net Operating Loss Carryback Claims	-9,800,000
Income Tax Examination, Interest Receivable	$450,000

CALCULATION_OF_WEIGHTED_AVERAG2

CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS (LOSS) PER SHARE (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Earnings Per Share [Abstract]	'	'	'	'	'
Net income	$11,665	$15,620	$35,001	$50,194	$64,882
Preferred stock dividend accrual	0	1,227	0	4,327	4,938
Preferred stock discount accretion	0	1,216	0	2,124	'
Gain on repurchase of preferred stock	0	-2,070	0	-2,070	-2,471
NET INCOME AVAILABLE TO COMMON SHAREHOLDERS	$11,665	$15,247	$35,001	$45,813	'
Basic weighted average shares outstanding	19,338	19,172	19,348	18,428	'
Plus unvested restricted stock	59	113	55	61	'
Diluted weighted shares outstanding	19,397	19,285	19,403	18,489	'
Earnings (loss) per common share	'	'	'	'	'
Basic (in dollars per share)	$0.60	$0.80	$1.81	$2.49	'
Diluted (in dollars per share)	$0.60	$0.79	$1.80	$2.48	'

CALCULATION_OF_WEIGHTED_AVERAG3

CALCULATION OF WEIGHTED AVERAGE SHARES OUTSTANDING FOR EARNINGS (LOSS) PER SHARE - Textuals (Details) (USD $)	9 Months Ended
In Millions, except Share data, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2013
	Stock Options [Member]	Warrant [Member]	Warrant [Member]
		U.S. Treasury Capital Purchase Program [Member]	U.S. Treasury Capital Purchase Program [Member]
		Common Stock [Member]	Common Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]	'	'	'
Antidilutive Securities Excluded from Computation of Earnings Per Share	47,671	'	'
Warrants and Rights Outstanding	'	$18.60	'
Number of Securities Called by Warrants or Rights	'	'	243,998

STOCKBASED_COMPENSATION_PLANS_1

STOCK-BASED COMPENSATION PLANS AND STOCK OPTIONS (Details) (USD $)

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2013

Sep. 30, 2012

Sep. 30, 2013

Sep. 30, 2012

Apr. 24, 2012

Sep. 30, 2013

Jun. 30, 2013

Aug. 23, 2010

Jun. 30, 2013

Sep. 30, 2013

Jun. 30, 2013

Sep. 30, 2013

Sep. 30, 2012

Sep. 30, 2013

Sep. 30, 2012

Sep. 30, 2013

Sep. 30, 2012

Sep. 30, 2013

Sep. 30, 2012

Restricted Stock [Member]

Restricted Stock [Member]

Restricted Stock [Member]

Restricted Stock [Member]

2012 Restricted Stock Plan [Member]

2012 Restricted Stock Plan [Member]

2012 Restricted Stock Plan [Member]

CEO Employment Agreement Restricted Stock Plan [Member]

CEO Employment Agreement Restricted Stock Plan [Member]

CEO Employment Agreement Restricted Stock Plan [Member]

CEO Employment Agreement Restricted Stock Plan [Member]

SOPs [Member]

SOPs [Member]

SOPs [Member]

SOPs [Member]

Banner Corporation Long-Term Incentive Plan [Member]

Banner Corporation Long-Term Incentive Plan [Member]

Banner Corporation Long-Term Incentive Plan [Member]

Banner Corporation Long-Term Incentive Plan [Member]

Restricted Stock [Member]

Restricted Stock [Member]

Restricted Stock [Member]

Restricted Stock [Member]

Restricted Stock [Member]

Restricted Stock [Member]

Restricted Stock [Member]

Stock Options [Member]

Stock Options [Member]

Stock Options [Member]

Stock Options [Member]

Stock Appreciation Rights (SARs) [Member]

Stock Appreciation Rights (SARs) [Member]

Stock Appreciation Rights (SARs) [Member]

Stock Appreciation Rights (SARs) [Member]

increment

Chief Executive Officer [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Number of Increments Shares Vest Annually

'

'

'

'

'

'

3

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Award Vesting Period

'

'

'

'

'

'

'3 years

'

'

'3 years

'

'

'

'

'

'

'

'

'

'

'

Share-based Compensation Expense

'

'

$482,000

$193,000

$1,004,000

$293,000

'

'

'

'

'

'

'

$0

$0

$0

$6,000

$286,000

$105,000

$526,000

$181,000

Compensation Cost Not yet Recognized

'

'

3,700,000

'

3,700,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Compensation Cost Not yet Recognized, Period for Recognition

'

'

'

'

'

'

'

'31 months

'

'

'

'

'

'

'

'

'

'

'

'

'

Number of Shares Authorized

'

'

'

'

'

'

300,000

'

'

'

'

'

'

2,284,186

'

2,284,186

'

'

'

'

'

Share-based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Percentage of Fair Value of Stock

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

100.00%

'

'

'

'

'

Maximum Contractual Term

'

'

'

'

'

'

'10 years

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Restricted stock granted

'

'

'

'

'

'

'

189,426

'

'

'

'

34,257

'

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period

'

'

'

'

'

'

'

'

31,178

'

28,359

'

'

'

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number

'

'

'

'

'

'

'

158,248

'

'

'

5,898

'

'

'

'

'

'

'

'

'

Annual Vesting Percentage

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

20.00%

'

'

'

'

'

Award Termination

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'10 years

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Award Forfeiture

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'90 days

'

'

'

'

'

Options, Grants in Period

'

'

'

'

'

'

'

'

'

'

'

'

'

0

0

0

0

'

'

'

'

Oprtions, Exercises in Period

'

'

'

'

'

'

'

'

'

'

'

'

'

0

0

0

0

'

'

'

'

Deferred Compensation Liability

$15,642,000

$14,452,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

$1,079,000

'

$1,079,000

'

COMMITMENTS_AND_CONTINGENCIES_1

COMMITMENTS AND CONTINGENCIES (Commitments Without Recorded Liability) (Details) (USD $)

9 Months Ended

In Thousands, unless otherwise specified

Sep. 30, 2013

Sep. 30, 2013

Sep. 30, 2013

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2013

Dec. 31, 2012

Minimum [Member]

Maximum [Member]

Commitments to extend credit [Member]

Commitments to extend credit [Member]

Standby letters of credit and financial guarantees [Member]

Standby letters of credit and financial guarantees [Member]

Commitments to originate loans [Member]

Commitments to originate loans [Member]

Commitments to originate loans held for sale [Member]

Commitments to originate loans held for sale [Member]

Commitmenst to sell loans secured by one- to four residential properties [Member]

Commitmenst to sell loans secured by one- to four residential properties [Member]

Commitments to sell mortgage backed securities [Member]

Commitments to sell mortgage backed securities [Member]

Commitments to purchase securities [Member]

Commitments to purchase securities [Member]

Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Contract or Notional Amount

'

'

'

$1,092,139

$907,892

$8,097

$6,660

$18,657

$10,733

$30,181

$89,049

$17,877

$70,263

$13,470

$41,500

$0

$11,500

Mortgage loan applications, day interest rate is locked

'45 days

'30 days

'60 days

'

'

'

'

'

'

'

'

'

'

'

'

'

'

DERIVATIVES_AND_HEDGING_Deriva

DERIVATIVES AND HEDGING (Derivatives Designated as Hedging, by Balance Sheet Location) (Details) (USD $)	Sep. 30, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	$4,615		$8,353
Liability Derivatives, Fair Value	4,615		8,353
Interest rate swaps [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	4,615		8,353
Liability Derivatives, Fair Value	4,615		8,353
Interest rate swaps [Member] | Designated as Hedging Instrument [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Notional Amount	7,500		10,507
Liability Derivatives, Notional Amount	7,500		10,507
Interest rate swaps [Member] | Designated as Hedging Instrument [Member] | Other assets [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	1,419	[1]	2,163	[1]
Interest rate swaps [Member] | Designated as Hedging Instrument [Member] | Other liabilities [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Liability Derivatives, Fair Value	$1,419	[2]	$2,163	[2]
[1]	Included in Loans Receivable on the Consolidated
[2]	Included in Other Liabilities on the Consolidated Statement of Financial Condition.

DERIVATIVES_AND_HEDGING_Deriva1

DERIVATIVES AND HEDGING (Derivatives Not Designated as Hedging, by Balance Sheet Location) (Details) (USD $)	Sep. 30, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	$4,615		$8,353
Liability Derivatives, Fair Value	4,615		8,353
Interest rate swaps [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	4,615		8,353
Liability Derivatives, Fair Value	4,615		8,353
Not Designated as Hedging Instrument [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Notional Amount	132,854		189,496
Liability Derivatives, Notional Amount	131,047		185,633
Not Designated as Hedging Instrument [Member] | Other assets [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	3,690	[1]	6,700	[1]
Not Designated as Hedging Instrument [Member] | Other liabilities [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Liability Derivatives, Fair Value	3,670	[2]	6,385	[2]
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Notional Amount	102,673		100,447
Liability Derivatives, Notional Amount	102,673		100,447
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other assets [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	3,196	[1]	6,190	[1]
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other liabilities [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Liability Derivatives, Fair Value	3,196	[2]	6,190	[2]
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Notional Amount	15,277		45,363
Liability Derivatives, Notional Amount	14,904		43,686
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member] | Other assets [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	271	[1]	436	[1]
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member] | Other liabilities [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Liability Derivatives, Fair Value	223	[2]	74	[2]
Not Designated as Hedging Instrument [Member] | Forward sales contracts [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Notional Amount	14,904		43,686
Liability Derivatives, Notional Amount	13,470		41,500
Not Designated as Hedging Instrument [Member] | Forward sales contracts [Member] | Other assets [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Asset Derivatives, Fair Value	223	[1]	74	[1]
Not Designated as Hedging Instrument [Member] | Forward sales contracts [Member] | Other liabilities [Member]	'		'
Derivatives, Fair Value [Line Items]	'		'
Liability Derivatives, Fair Value	$251	[2]	$121	[2]
[1]	Included in Other Assets on the Consolidated Statements of Financial Condition
[2]	Included in Other Liabilities on the Consolidated Statements of Financial Condition.

DERIVATIVES_AND_HEDGING_Gain_L

DERIVATIVES AND HEDGING (Gain (Loss) On Derivatives Not Designated in Hedging Relationship) (Details) (Not Designated as Hedging Instrument [Member], USD $)	3 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]	'	'
Gain (loss) recognized in income, net	($301)	$223
Mortgage loan commitments [Member] | Mortgage banking operations [Member]	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'
Gain (loss) recognized in income, net	651	891
Forward sales contracts [Member] | Mortgage banking operations [Member]	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'
Gain (loss) recognized in income, net	($952)	($668)

DERIVATIVES_AND_HEDGING_Narrat

DERIVATIVES AND HEDGING (Narrative) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Millions, unless otherwise specified
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'	'
Derivative net liability position	$3.40	$8.40
Collateral posted	$7.60	$12.50

DERIVATIVES_AND_HEDGING_Deriva2

DERIVATIVES AND HEDGING (Derivative Offsetting) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Offsetting Derivative Assets [Abstract]	'	'
Derivative Assets, Gross Amounts Recognized	$4,615	$8,353
Derivative Assets, Amounts offsett in the Statement of Financial Condition	0	0
Derivative Assets, Net Amounts in the Statement of Financial Condition	4,615	8,353
Derivative Assets, Netting Adjustment Per Applicable Master Netting Agreements	-628	0
Derivative Assets, Fair Value of Financial Collateral in the Statement of Financial Condiation	0	0
Derivative Assets, Net Amount	3,987	8,353
Offsetting Derivative Liabilities [Abstract]	'	'
Derivative Liabilities, Gross Amounts Recognized	4,615	8,353
Derivative Liabilities, Amounts offset in the Statement of Financial Condition	0	0
Derivative Liabilities, Net Amounts of the Statement of Financial Condition	4,615	8,353
Derivative Liabilities, Net Adjustment Per Applicable Master Netting Agreements	-628	0
Derivative Liabilities, Fair Value of Financial Collateral in the Statement of Financial Condition	-3,359	-8,353
Derivative Liabilities, Net Amount	628	0
Interest rate swaps [Member]	'	'
Offsetting Derivative Assets [Abstract]	'	'
Derivative Assets, Gross Amounts Recognized	4,615	8,353
Derivative Assets, Amounts offsett in the Statement of Financial Condition	0	0
Derivative Assets, Net Amounts in the Statement of Financial Condition	4,615	8,353
Derivative Assets, Netting Adjustment Per Applicable Master Netting Agreements	-628	0
Derivative Assets, Fair Value of Financial Collateral in the Statement of Financial Condiation	0	0
Derivative Assets, Net Amount	3,987	8,353
Offsetting Derivative Liabilities [Abstract]	'	'
Derivative Liabilities, Gross Amounts Recognized	4,615	8,353
Derivative Liabilities, Amounts offset in the Statement of Financial Condition	0	0
Derivative Liabilities, Net Amounts of the Statement of Financial Condition	4,615	8,353
Derivative Liabilities, Net Adjustment Per Applicable Master Netting Agreements	-628	0
Derivative Liabilities, Fair Value of Financial Collateral in the Statement of Financial Condition	-3,359	-8,353
Derivative Liabilities, Net Amount	$628	$0