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Loans Receivable (excluding Covered Loans) Loans Receivable by Geographic Location (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2011	Sep. 30, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	$ 8,299,074	$ 8,777,106
Ratio of loans by geographic location to total loans	100.00%
Single Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	6,218,878	6,551,837
Ratio of loans by geographic location to total loans	74.80%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Single Family Residential [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	2,720,997
Ratio of loans by geographic location to total loans	32.60%
Percentage of loans by geographic area as a percentage of loan type	43.80%
Single Family Residential [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	1,003,289
Ratio of loans by geographic location to total loans	12.10%
Percentage of loans by geographic area as a percentage of loan type	16.10%
Single Family Residential [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	419,202
Ratio of loans by geographic location to total loans	5.10%
Percentage of loans by geographic area as a percentage of loan type	6.70%
Single Family Residential [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	465,420
Ratio of loans by geographic location to total loans	5.60%
Percentage of loans by geographic area as a percentage of loan type	7.50%
Single Family Residential [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	633,860
Ratio of loans by geographic location to total loans	7.60%
Percentage of loans by geographic area as a percentage of loan type	10.20%
Single Family Residential [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	502,585
Ratio of loans by geographic location to total loans	6.10%
Percentage of loans by geographic area as a percentage of loan type	8.10%
Single Family Residential [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	182,375
Ratio of loans by geographic location to total loans	2.20%
Percentage of loans by geographic area as a percentage of loan type	2.90%
Single Family Residential [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	151,178
Ratio of loans by geographic location to total loans	1.80%
Percentage of loans by geographic area as a percentage of loan type	2.40%
Single Family Residential [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	139,972
Ratio of loans by geographic location to total loans	1.70%
Percentage of loans by geographic area as a percentage of loan type	2.30%
Multi Family Housing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	700,673	697,351
Ratio of loans by geographic location to total loans	8.50%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Multi Family Housing [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	220,819
Ratio of loans by geographic location to total loans	2.70%
Percentage of loans by geographic area as a percentage of loan type	31.50%
Multi Family Housing [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	299,839
Ratio of loans by geographic location to total loans	3.60%
Percentage of loans by geographic area as a percentage of loan type	42.80%
Multi Family Housing [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	7,343
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	1.00%
Multi Family Housing [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	31,417
Ratio of loans by geographic location to total loans	0.40%
Percentage of loans by geographic area as a percentage of loan type	4.50%
Multi Family Housing [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	59,993
Ratio of loans by geographic location to total loans	0.70%
Percentage of loans by geographic area as a percentage of loan type	8.60%
Multi Family Housing [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	59,445
Ratio of loans by geographic location to total loans	0.70%
Percentage of loans by geographic area as a percentage of loan type	8.50%
Multi Family Housing [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	14,284
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	2.00%
Multi Family Housing [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	2,835
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.40%
Multi Family Housing [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	4,698
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	0.70%
Land, Acquisition and Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	200,692	307,230
Ratio of loans by geographic location to total loans	2.40%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Land, Acquisition and Development [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	114,852
Ratio of loans by geographic location to total loans	1.40%
Percentage of loans by geographic area as a percentage of loan type	57.20%
Land, Acquisition and Development [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	17,013
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	8.50%
Land, Acquisition and Development [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Land, Acquisition and Development [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	8,457
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	4.20%
Land, Acquisition and Development [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	19,463
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	9.70%
Land, Acquisition and Development [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	14,656
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	7.30%
Land, Acquisition and Development [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	22,909
Ratio of loans by geographic location to total loans	0.30%
Percentage of loans by geographic area as a percentage of loan type	11.40%
Land, Acquisition and Development [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	3,342
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	1.70%
Land, Acquisition and Development [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Land, Consumer Lot Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	163,146	186,840
Ratio of loans by geographic location to total loans	2.00%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Land, Consumer Lot Loans [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	80,332
Ratio of loans by geographic location to total loans	1.00%
Percentage of loans by geographic area as a percentage of loan type	49.20%
Land, Consumer Lot Loans [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	33,152
Ratio of loans by geographic location to total loans	0.40%
Percentage of loans by geographic area as a percentage of loan type	20.30%
Land, Consumer Lot Loans [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Land, Consumer Lot Loans [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	16,251
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	10.00%
Land, Consumer Lot Loans [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	14,090
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	8.60%
Land, Consumer Lot Loans [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	11,576
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	7.10%
Land, Consumer Lot Loans [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	5,178
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	3.20%
Land, Consumer Lot Loans [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	998
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.60%
Land, Consumer Lot Loans [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	1,569
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	1.00%
Construction, Custom [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	279,851	256,384
Ratio of loans by geographic location to total loans	3.30%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Construction, Custom [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	168,463
Ratio of loans by geographic location to total loans	2.00%
Percentage of loans by geographic area as a percentage of loan type	60.10%
Construction, Custom [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	45,784
Ratio of loans by geographic location to total loans	0.60%
Percentage of loans by geographic area as a percentage of loan type	16.40%
Construction, Custom [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Construction, Custom [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	9,421
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	3.40%
Construction, Custom [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	18,687
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	6.70%
Construction, Custom [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	26,803
Ratio of loans by geographic location to total loans	0.30%
Percentage of loans by geographic area as a percentage of loan type	9.60%
Construction, Custom [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	3,135
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	1.10%
Construction, Custom [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	6,373
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	2.30%
Construction, Custom [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	1,185
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.40%
Construction, Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	140,459	169,712
Ratio of loans by geographic location to total loans	1.70%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Construction, Speculative [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	89,983
Ratio of loans by geographic location to total loans	1.10%
Percentage of loans by geographic area as a percentage of loan type	63.90%
Construction, Speculative [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	18,441
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	13.10%
Construction, Speculative [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Construction, Speculative [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	10,886
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	7.80%
Construction, Speculative [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	4,720
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	3.40%
Construction, Speculative [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	4,305
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	3.10%
Construction, Speculative [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	9,345
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	6.70%
Construction, Speculative [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	2,000
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	1.40%
Construction, Speculative [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	779
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.60%
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	303,442	315,915
Ratio of loans by geographic location to total loans	3.70%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Commercial Real Estate Portfolio Segment [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	238,446
Ratio of loans by geographic location to total loans	2.90%
Percentage of loans by geographic area as a percentage of loan type	78.50%
Commercial Real Estate Portfolio Segment [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	13,744
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	4.50%
Commercial Real Estate Portfolio Segment [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Commercial Real Estate Portfolio Segment [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	882
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.30%
Commercial Real Estate Portfolio Segment [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Commercial Real Estate Portfolio Segment [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	496
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.20%
Commercial Real Estate Portfolio Segment [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	49,399
Ratio of loans by geographic location to total loans	0.60%
Percentage of loans by geographic area as a percentage of loan type	16.30%
Commercial Real Estate Portfolio Segment [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	475
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.20%
Commercial Real Estate Portfolio Segment [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Commercial and Industrial Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	109,332	83,070
Ratio of loans by geographic location to total loans	1.30%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Commercial and Industrial Loans [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	101,278
Ratio of loans by geographic location to total loans	1.20%
Percentage of loans by geographic area as a percentage of loan type	92.60%
Commercial and Industrial Loans [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Commercial and Industrial Loans [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	745
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.70%
Commercial and Industrial Loans [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Commercial and Industrial Loans [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	219
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.20%
Commercial and Industrial Loans [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	118
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.10%
Commercial and Industrial Loans [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	6,972
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	6.40%
Commercial and Industrial Loans [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Commercial and Industrial Loans [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	67,509	92,624
Ratio of loans by geographic location to total loans	0.80%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Consumer Portfolio Segment [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	65,140
Ratio of loans by geographic location to total loans	0.80%
Percentage of loans by geographic area as a percentage of loan type	96.50%
Consumer Portfolio Segment [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Consumer Portfolio Segment [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Consumer Portfolio Segment [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Consumer Portfolio Segment [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Consumer Portfolio Segment [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Consumer Portfolio Segment [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	2,369
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	3.50%
Consumer Portfolio Segment [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Consumer Portfolio Segment [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Home Equity Line of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	115,092	116,143
Ratio of loans by geographic location to total loans	1.50%
Percentage of loans by geographic area as a percentage of loan type	100.00%
Home Equity Line of Credit [Member] | WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	74,049
Ratio of loans by geographic location to total loans	0.90%
Percentage of loans by geographic area as a percentage of loan type	64.40%
Home Equity Line of Credit [Member] | OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	7,484
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	6.50%
Home Equity Line of Credit [Member] | Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Home Equity Line of Credit [Member] | IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	5,423
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	4.70%
Home Equity Line of Credit [Member] | ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	6,559
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	5.70%
Home Equity Line of Credit [Member] | UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	6,001
Ratio of loans by geographic location to total loans	0.10%
Percentage of loans by geographic area as a percentage of loan type	5.20%
Home Equity Line of Credit [Member] | NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	15,438
Ratio of loans by geographic location to total loans	0.20%
Percentage of loans by geographic area as a percentage of loan type	13.40%
Home Equity Line of Credit [Member] | TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	0
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.00%
Home Equity Line of Credit [Member] | NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	138
Ratio of loans by geographic location to total loans	0.00%
Percentage of loans by geographic area as a percentage of loan type	0.10%
WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	3,874,359
Ratio of loans by geographic location to total loans	46.60%
OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	1,438,746
Ratio of loans by geographic location to total loans	17.40%
Other Geographic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	427,290
Ratio of loans by geographic location to total loans	5.20%
IDAHO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	548,157
Ratio of loans by geographic location to total loans	6.60%
ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	757,591
Ratio of loans by geographic location to total loans	9.10%
UTAH
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	625,985
Ratio of loans by geographic location to total loans	7.60%
NEW MEXICO
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	311,404
Ratio of loans by geographic location to total loans	3.80%
TEXAS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	167,201
Ratio of loans by geographic location to total loans	1.90%
NEVADA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	$ 148,341
Ratio of loans by geographic location to total loans	1.80%

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ Details

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Namespace Prefix:	us-gaap
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X

- Definition

Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on loans and leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 13

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522

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- Definition

Loan Receivable, Percentage by Geographic Area as Percentage of Loan Type

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- Definition

Ratio of Loans by Geographic Location to Total Loans

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