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INVESTMENT SECURITIES, Investment Securities in a Continuous Unrealized Loss Position (Details) $ in Thousands | Sep. 30, 2015 USD ($) Position | Dec. 31, 2014 USD ($) Position
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Available-for-Sale Portfolio in Unrealized Loss Positions, Number of Positions [Abstract] |  |
Less than 12 months | Position | 76 | 28
12 months or longer | Position | 25 | 71
Total | Position | 101 | 99
Available-for-Sale Portfolio in Unrealized Loss Positions, Fair Value [Abstract] |  |
Less than 12 months | $ 45,958 | $ 16,458
12 months or longer | 35,280 | 166,383
Total | 81,238 | 182,841
Available-for-Sale Portfolio, Debt Maturities, Gross Unrealized Losses [Abstract] |  |
Less than 12 months | 521 | 35
12 months or longer | 1,017 | 2,219
Total | $ 1,538 | $ 2,254
U.S. Treasury and Agency Obligations [Member] |  |
Available-for-Sale Portfolio in Unrealized Loss Positions, Number of Positions [Abstract] |  |
Less than 12 months | Position |  | 0
12 months or longer | Position |  | 4
Total | Position |  | 4
Available-for-Sale Portfolio in Unrealized Loss Positions, Fair Value [Abstract] |  |
Less than 12 months |  | $ 0
12 months or longer |  | 102,363
Total |  | 102,363
Available-for-Sale Portfolio, Debt Maturities, Gross Unrealized Losses [Abstract] |  |
Less than 12 months |  | 0
12 months or longer |  | 910
Total |  | $ 910
Obligations of State and Political Subdivisions [Member] |  |
Available-for-Sale Portfolio in Unrealized Loss Positions, Number of Positions [Abstract] |  |
Less than 12 months | Position | 70 | 23
12 months or longer | Position | 3 | 46
Total | Position | 73 | 69
Available-for-Sale Portfolio in Unrealized Loss Positions, Fair Value [Abstract] |  |
Less than 12 months | $ 38,526 | $ 13,413
12 months or longer | 1,198 | 26,490
Total | 39,724 | 39,903
Available-for-Sale Portfolio, Debt Maturities, Gross Unrealized Losses [Abstract] |  |
Less than 12 months | 473 | 34
12 months or longer | 48 | 210
Total | $ 521 | $ 244
Government Agency Mortgage-Backed Securities [Member] |  |
Available-for-Sale Portfolio in Unrealized Loss Positions, Number of Positions [Abstract] |  |
Less than 12 months | Position | 5 | 3
12 months or longer | Position | 19 | 19
Total | Position | 24 | 22
Available-for-Sale Portfolio in Unrealized Loss Positions, Fair Value [Abstract] |  |
Less than 12 months | $ 7,342 | $ 5
12 months or longer | 31,333 | 34,770
Total | 38,675 | 34,775
Available-for-Sale Portfolio, Debt Maturities, Gross Unrealized Losses [Abstract] |  |
Less than 12 months | 37 | 0
12 months or longer | 931 | 1,025
Total | $ 968 | $ 1,025
Corporate Debt Securities [Member] |  |
Available-for-Sale Portfolio in Unrealized Loss Positions, Number of Positions [Abstract] |  |
Less than 12 months | Position | 0 | 1
12 months or longer | Position | 1 | 1
Total | Position | 1 | 2
Available-for-Sale Portfolio in Unrealized Loss Positions, Fair Value [Abstract] |  |
Less than 12 months | $ 0 | $ 3,040
12 months or longer | 2,745 | 2,755
Total | 2,745 | 5,795
Available-for-Sale Portfolio, Debt Maturities, Gross Unrealized Losses [Abstract] |  |
Less than 12 months | 0 | 1
12 months or longer | 38 | 74
Total | $ 38 | $ 75
Government Agency Collateralized Mortgage Obligations [Member] |  |
Available-for-Sale Portfolio in Unrealized Loss Positions, Number of Positions [Abstract] |  |
Less than 12 months | Position | 0 | 1
12 months or longer | Position | 2 | 1
Total | Position | 2 | 2
Available-for-Sale Portfolio in Unrealized Loss Positions, Fair Value [Abstract] |  |
Less than 12 months | $ 0 | $ 0
12 months or longer | 4 | 5
Total | 4 | 5
Available-for-Sale Portfolio, Debt Maturities, Gross Unrealized Losses [Abstract] |  |
Less than 12 months | 0 | 0
12 months or longer | 0 | 0
Total | $ 0 | $ 0
Marketable Equity Securities [Member] |  |
Available-for-Sale Portfolio in Unrealized Loss Positions, Number of Positions [Abstract] |  |
Less than 12 months | Position | 1 |
12 months or longer | Position | 0 |
Total | Position | 1 |
Available-for-Sale Portfolio in Unrealized Loss Positions, Fair Value [Abstract] |  |
Less than 12 months | $ 90 |
12 months or longer | 0 |
Total | 90 |
Available-for-Sale Portfolio, Debt Maturities, Gross Unrealized Losses [Abstract] |  |
Less than 12 months | 11 |
12 months or longer | 0 |
Total | $ 11 |

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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