OTHER BORROWINGS (Schedule of Other Borrowings) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||
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Dec. 31, 2012
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Dec. 31, 2011
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Long-Term and Short-Term Debt Instruments [Line Items] | ||||||
Total year-end outstanding | $ 76,633 | $ 152,128 | ||||
Repurchase Agreements [Member] | Retail repurchase agreements [Member]
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Long-Term and Short-Term Debt Instruments [Line Items] | ||||||
Due in one year or less | 76,633 | 102,131 | ||||
Due in one year or less, weighted average interest rate | 0.30% | 0.29% | ||||
Total year-end outstanding | 76,633 | 102,131 | ||||
Total year-end outstanding, weighted average interest rate | 0.30% | 0.29% | ||||
Average outstanding | 90,017 | 103,704 | ||||
Average outstanding, weighted average interest rate | 0.31% | 0.34% | ||||
Maximum outstanding at any month end | 100,949 | 125,136 | ||||
Subsidiary, Banner Bank [Member] | Senior Notes [Member] | Temporary liquidity guarantee program notes [Member]
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Long-Term and Short-Term Debt Instruments [Line Items] | ||||||
Due in one year or less | 0 | [1] | 49,997 | [1] | ||
Due in one year or less, weighted average interest rate | 0.00% | [1] | 3.82% | [1] | ||
Total year-end outstanding | 0 | [1] | 49,997 | [1] | ||
Total year-end outstanding, weighted average interest rate | 0.00% | [1] | 3.82% | [1] | ||
Average outstanding | 12,158 | [1] | 49,993 | [1] | ||
Average outstanding, weighted average interest rate | 3.92% | [1] | 3.82% | [1] | ||
Maximum outstanding and any month end | $ 49,999 | [1] | $ 49,997 | [1] | ||
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