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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