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INTANGIBLE ASSETS (Narrative) (Details) (USD $)
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1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | ||
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Feb. 28, 2010
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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| Indefinite-lived Intangible Assets [Line Items] | ||||||
| Intangible assets, amortization expense | $ 10,675,000 | $ 11,406,000 | ||||
| Impairment charges | 0 | |||||
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Core Deposits [Member]
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| Indefinite-lived Intangible Assets [Line Items] | ||||||
| Intangible assets, amortization expense | 921,000 | 1,200,000 | 2,900,000 | 3,700,000 | 4,900,000 | |
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Core Deposits [Member] | Minimum [Member]
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| Indefinite-lived Intangible Assets [Line Items] | ||||||
| Intangible assets, amortization period | 4 years | |||||
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Core Deposits [Member] | Maximum [Member]
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| Indefinite-lived Intangible Assets [Line Items] | ||||||
| Intangible assets, amortization period | 14 years | |||||
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Trademarks [Member]
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| Indefinite-lived Intangible Assets [Line Items] | ||||||
| Intangible assets, amortization period | 3 years | |||||
| Intangible assets, amortization expense | $ 0 | $ 100,000 | $ 33,000 | $ 300,000 | $ 400,000 | |
| X | ||||||||||
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- Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
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- Definition
Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill. No definition available.
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| X | ||||||||||
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- Details
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