Loans Receivable and The Allowance For Loan Losses: Schedule of Loans Receivable by Geographic Concentration (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Washington
Loans Receivable Commercial Real Estate Owner Occupied	$ 367,377
Loans Receivable Commercial Real Estate Investment Properties	469,363
Loans Receivable Multifamily Real Estate	110,342
Loans Receivable, Gross, Commercial, Construction	15,767
Loans Receivable Multifamily Construction	16,930
Loans Receivable One- to Four-Family Construction	86,186
Loans Receivable Land and Land Development Residential	40,903
Loans Receivable Land and Land Development Commercial	8,770
Loans Receivable Commercial Business	383,040
Loans Receivable, Gross, Commercial, Agricultural	110,608	[1]
Loans Receivable One- to Four Family Real Estate	371,458
Loans and Leases Receivable, Gross, Consumer	69,701
Loans Receivable Consumer Secured by One- to Four Family	117,685
Loans Receivable Total Consumer	187,386
Loans Receivable Total Loans	2,168,130
Loans Receivable Percent of Total Loans	67.50%
Oregon
Loans Receivable Commercial Real Estate Owner Occupied	50,164
Loans Receivable Commercial Real Estate Investment Properties	94,893
Loans Receivable Multifamily Real Estate	12,889
Loans Receivable, Gross, Commercial, Construction	5,415
Loans Receivable Multifamily Construction	1,202
Loans Receivable One- to Four-Family Construction	69,101
Loans Receivable Land and Land Development Residential	40,184
Loans Receivable Land and Land Development Commercial	885
Loans Receivable Commercial Business	75,556
Loans Receivable, Gross, Commercial, Agricultural	38,650	[1]
Loans Receivable One- to Four Family Real Estate	208,490
Loans and Leases Receivable, Gross, Consumer	28,566
Loans Receivable Consumer Secured by One- to Four Family	43,867
Loans Receivable Total Consumer	72,433
Loans Receivable Total Loans	669,862
Loans Receivable Percent of Total Loans	20.90%
Idaho
Loans Receivable Commercial Real Estate Owner Occupied	57,022
Loans Receivable Commercial Real Estate Investment Properties	42,657
Loans Receivable Multifamily Real Estate	6,738
Loans Receivable, Gross, Commercial, Construction	2,626
Loans Receivable One- to Four-Family Construction	2,014
Loans Receivable Land and Land Development Residential	2,098
Loans Receivable Land and Land Development Commercial	1,796
Loans Receivable Commercial Business	60,592
Loans Receivable, Gross, Commercial, Agricultural	62,447	[1]
Loans Receivable One- to Four Family Real Estate	25,360
Loans and Leases Receivable, Gross, Consumer	5,236
Loans Receivable Consumer Secured by One- to Four Family	11,645
Loans Receivable Total Consumer	16,881
Loans Receivable Total Loans	280,231
Loans Receivable Percent of Total Loans	8.70%
Other geographical concentrations
Loans Receivable Commercial Real Estate Owner Occupied	3,058
Loans Receivable Commercial Real Estate Investment Properties	7,052
Loans Receivable Multifamily Real Estate	350
Loans Receivable Commercial Business	80,858
Loans Receivable One- to Four Family Real Estate	2,181
Loans and Leases Receivable, Gross, Consumer	1
Loans Receivable Consumer Secured by One- to Four Family	534
Loans Receivable Total Consumer	535
Loans Receivable Total Loans	94,034
Loans Receivable Percent of Total Loans	2.90%
Total geographic concentration
Loans Receivable Commercial Real Estate Owner Occupied	477,621
Loans Receivable Commercial Real Estate Investment Properties	613,965
Loans Receivable Multifamily Real Estate	130,319
Loans Receivable, Gross, Commercial, Construction	23,808
Loans Receivable Multifamily Construction	18,132
Loans Receivable One- to Four-Family Construction	157,301
Loans Receivable Land and Land Development Residential	83,185
Loans Receivable Land and Land Development Commercial	11,451
Loans Receivable Commercial Business	600,046
Loans Receivable, Gross, Commercial, Agricultural	211,705	[1]
Loans Receivable One- to Four Family Real Estate	607,489
Loans and Leases Receivable, Gross, Consumer	103,504
Loans Receivable Consumer Secured by One- to Four Family	173,731
Loans Receivable Total Consumer	277,235
Loans Receivable Total Loans	$ 3,212,257
Loans Receivable Percent of Total Loans	100.00%

[1] Including secured by farmland.