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LOANS - Schedule of Impaired Loans (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Sep. 30, 2013 | Dec. 31, 2012 | Sep. 30, 2012
Receivables [Abstract] |  |  |  |  |  |
Impaired loans without a valuation allowance | $ 253 | $ 730 | $ 1,145 | $ 253 | $ 730 | $ 1,145
Impaired loans with a valuation allowance | 1,308 | 3,861 | 3,371 | 1,308 | 3,861 | 3,371
Total impaired loans | 1,561 | 4,591 | 4,516 | 1,561 | 4,591 | 4,516
Valuation allowance related to impaired loans | 423 | 865 | 453 | 423 | 865 | 453
Total non-accrual loans | 2,908 | 4,828 | 5,260 | 2,908 | 4,828 | 5,260
Total loans past-due ninety days or more and still accruing |  | 1 |  |  | 1 |
Average investment in impaired loans | $ 1,879 | $ 4,468 | $ 4,548 | $ 3,521 | $ 3,436 | $ 3,091

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5258-111524 + Details
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