INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Estimated Annual Amortization Expense) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Finite-Lived Intangible Assets [Line Items]
December 31, 2012	$ 2,101
December 31, 2013	1,908
December 31, 2014	1,724
December 31, 2015	598
Thereafter	0
Future amortization expense	6,331
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
December 31, 2012	2,092
December 31, 2013	1,908
December 31, 2014	1,724
December 31, 2015	598
Thereafter	0
Future amortization expense	6,322
Other [Member]
Finite-Lived Intangible Assets [Line Items]
December 31, 2012	9
December 31, 2013	0
December 31, 2014	0
December 31, 2015	0
Thereafter	0
Future amortization expense	$ 9

Finite-Lived Intangible Asset, Future Amortization Expense

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- Definition

Finite-Lived Intangible Assets, Amortization Expense, after Year Four

+ References

No definition available.

+ Details

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- Definition

Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

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- Definition

Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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