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MORTGAGE SERVICING ASSETS (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010
Information regarding the Company's mortgage servicing assets (MSAs) |  |
MSAs balance, beginning of year | $ 13,574 | $ 16,001
Additions | 50 | 309
Amortization | (2,431) | (2,736)
MSAs before valuation allowance, end of year | 11,193 | 13,574
Valuation allowance | (4,310) | (3,383)
MSAs, end of year | 6,883 | 13,574
Changes in the fair value of MSAs |  |
Fair value, beginning of year | 14,509 | 16,284
Fair value, end of year | 11,252 | 14,509
Changes in valuation allowance of MSAs |  |
Valuation allowance, beginning of year | (3,383) | (2,575)
(Impairment) reversal | (927) | (808)
Valuation allowance, end of year | (4,310) | (3,383)
Key Assumptions: |  |
Weighted average discount (as a percent) | 12.34% | 12.43%
Weighted average prepayment speed assumption (as a percent) | 11.72% | 8.17%
Fair value sensitivity analysis of MSAs |  |
Balance sheet net carrying value | 6,883 | 13,574
CPR assumption (as a percent) | 11.72% | 8.17%
Impact on fair value of 10% adverse change of prepayment speed | (131) | (118)
Impact on fair value of 20% adverse change of prepayment speed | (256) | (232)
Discount rate assumption (as a percent) | 12.34% | 12.43%
Impact on fair value of 10% adverse change of discount rate | (165) | (264)
Impact on fair value of 20% adverse change of discount rate | (319) | (511)
Mortgage servicing assets (MSAs) |  |
Estimated future amortization for the succeeding five years and thereafter |  |
2012 | 1,491 |
2013 | 1,158 |
2014 | 902 |
2015 | 704 |
2016 | 551 |
Thereafter | 2,077 |
Total | $ 6,883 |

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