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SECURITIES AVAILABLE FOR SALE - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 USD ($) security | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) security | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) security
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Securities held | 18 |  | 18 |  | 53
Gross gains on the sales of securities | $ | $ 0 | $ 29 | $ 1,468 | $ 1,935 |
Gross losses on securities available for sale | $ |  |  | 48 | $ 24 |
Fair value of securities pledged to secure public funds and other purposes | $ | $ 279,270 |  | $ 279,270 |  | $ 250,397
U.S Agencies and Government Sponsored Enterprises (GSE) |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Securities held | 14 |  | 14 |  | 29
Securities held, less than 12 months category | 11 |  | 11 |  | 25
Securities held, more than 12 months category | 3 |  | 3 |  | 4
State and Political Subdivisions |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Securities held |  |  |  |  | 21
Securities held, less than 12 months category |  |  |  |  | 16
Securities held, more than 12 months category | 1 |  | 1 |  | 5
Private Label |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Securities held, less than 12 months category | 3 |  | 3 |  | 3

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- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 + Details
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- Definition This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 + Details
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- Definition The fair value of available-for-sale securities that serve as collateral for borrowings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5086-111524 + Details
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