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Fair Value Measurements: Schedule of Quantitative Information About Unobservable Inputs Used in Level 3 Fair Value Measurements (Details) (USD $) | 3 Months Ended
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Dec. 31, 2012
Foreclosed and repossessed assets |  |
Fair Value Measurements Level 3 Recurring and Nonrecurring | $ 3,576,000 |
Fair Value Measurements Recurring and Nonrecurring Valuation Technique | Third party appraisal |
Fair Value Measurements Recurring and Nonrecurring Unobservable Inputs | Marketability discount |
Fair Value Measurements Recurring and Nonrecurring Range of discounts Applied | 0.0% - 40.9% |
Fair Value Measurements Recurring and Nonrecurring Weighted Average Discount Applied | 15.3% |
Impaired loans (collateral dependent) |  |
Fair Value Measurements Level 3 Recurring and Nonrecurring | 452,000 |
Fair Value Measurements Recurring and Nonrecurring Valuation Technique | Internal or third-party appraisal |
Fair Value Measurements Recurring and Nonrecurring Unobservable Inputs | Discount to reflect realizable value |
Fair Value Measurements Recurring and Nonrecurring Range of discounts Applied | 1.1% - 32.8% |
Fair Value Measurements Recurring and Nonrecurring Weighted Average Discount Applied | 5.7% |
Available for sale Securities (pooled trust preferred security) |  |
Fair Value Measurements Level 3 Recurring and Nonrecurring | $ 58,000 |
Available for sale Securities (pooled trust preferred security) | Discount rate |  |
Fair Value Measurements Recurring and Nonrecurring Unobservable Inputs | Discount rate |
Available for sale Securities (pooled trust preferred security) | Prepayment rate |  |
Fair Value Measurements Recurring and Nonrecurring Unobservable Inputs | Prepayment rate |
Available for sale Securities |  |
Fair Value Measurements Recurring and Nonrecurring Valuation Technique | Discounted cash flow |
Available for sale Securities | Discount rate |  |
Fair Value Measurements Recurring and Nonrecurring Range of discounts Applied | n/a |
Fair Value Measurements Recurring and Nonrecurring Weighted Average Discount Applied | 7.6% |
Available for sale Securities | Prepayment rate |  |
Fair Value Measurements Recurring and Nonrecurring Range of discounts Applied | n/a |
Fair Value Measurements Recurring and Nonrecurring Weighted Average Discount Applied | 1% annually (1) | [1]
Available for sale Securities | Projected defaults | Discounted Cash Flow |  |
Fair Value Measurements Recurring and Nonrecurring Unobservable Inputs | Projected defaults and deferrals (% of pool balance) |
Fair Value Measurements Recurring and Nonrecurring Range of discounts Applied | n/a |
Fair Value Measurements Recurring and Nonrecurring Weighted Average Discount Applied | 41.3% |
Available for sale Securities | Anticipated recoveries | Discounted Cash Flow |  |
Fair Value Measurements Recurring and Nonrecurring Unobservable Inputs | Anticipated recoveries (% of pool balance) |
Fair Value Measurements Recurring and Nonrecurring Range of discounts Applied | n/a |
Fair Value Measurements Recurring and Nonrecurring Weighted Average Discount Applied | 6.4% |
[1] | The Level 3 fair value measurement also assumes that issuers of asset size of $15 billion and above will generally prepay during 2013, unless issued at a variable rate with a spread of less than 150 basis points over LIBOR; other issuers are expected to prepay at a rate of 1% annually, unless issued at a fixed rate of 8% or more by a bank reasonably expected to be able to prepay.

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