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SECURITIES - Investment securities available for sale in continuous unrealized loss position (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Available-for-sale securities in a continuous unrealized loss position, fair value [Abstract] |  |
Less than 12 months | $ 195,983 | $ 73,464
12 months or longer | 843 | 6,560
Total | 196,826 | 80,024
Available-for-sale securities in a continuous unrealized loss position, unrealized losses [Abstract] |  |
Less than 12 months | 1,761 | 150
12 months or longer | 3 | 66
Total | 1,764 | 216
Obligations of U.S. Government and U.S. Government sponsored enterprises |  |
Available-for-sale securities in a continuous unrealized loss position, fair value [Abstract] |  |
Less than 12 months | 15,169 | 57,512
12 months or longer | 0 | 4,945
Total | 15,169 | 62,457
Available-for-sale securities in a continuous unrealized loss position, unrealized losses [Abstract] |  |
Less than 12 months | 16 | 108
12 months or longer | 0 | 54
Total | 16 | 162
Mortgage-backed securities, residential |  |
Available-for-sale securities in a continuous unrealized loss position, fair value [Abstract] |  |
Less than 12 months | 177,058 | 11,051
12 months or longer | 0 | 0
Total | 177,058 | 11,051
Available-for-sale securities in a continuous unrealized loss position, unrealized losses [Abstract] |  |
Less than 12 months | 1,741 | 19
12 months or longer | 0 | 0
Total | 1,741 | 19
Obligations of states and political subdivisions |  |
Available-for-sale securities in a continuous unrealized loss position, fair value [Abstract] |  |
Less than 12 months | 3,756 | 4,625
12 months or longer | 592 | 1,056
Total | 4,348 | 5,681
Available-for-sale securities in a continuous unrealized loss position, unrealized losses [Abstract] |  |
Less than 12 months | 4 | 22
12 months or longer | 2 | 6
Total | 6 | 28
Corporate bonds and notes |  |
Available-for-sale securities in a continuous unrealized loss position, fair value [Abstract] |  |
Less than 12 months |  | 0
12 months or longer |  | 243
Total |  | 243
Available-for-sale securities in a continuous unrealized loss position, unrealized losses [Abstract] |  |
Less than 12 months |  | 0
12 months or longer |  | 4
Total |  | 4
Corporate Stocks |  |
Available-for-sale securities in a continuous unrealized loss position, fair value [Abstract] |  |
Less than 12 months |  | 276
12 months or longer |  | 316
Total |  | 592
Available-for-sale securities in a continuous unrealized loss position, unrealized losses [Abstract] |  |
Less than 12 months |  | 1
12 months or longer |  | 2
Total |  | $ 3
SBA Loan Pools |  |
Available-for-sale securities in a continuous unrealized loss position, fair value [Abstract] |  |
Less than 12 months | 0 |
12 months or longer | 251 |
Total | 251 |
Available-for-sale securities in a continuous unrealized loss position, unrealized losses [Abstract] |  |
Less than 12 months | 0 |
12 months or longer | 1 |
Total | $ 1 |

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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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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are 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 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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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 less than twelve months. + 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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