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SECURITIES (Tables) | 3 Months Ended
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Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract] |
Amortized cost and estimated fair value of securities available for sale | Amortized cost and estimated fair value of securities available for sale are as follows (in thousands):
|  | March 31, 2018
|  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Estimated Fair Value
Obligations of U.S. Government and U.S. Government sponsored enterprises |  | $ | 15,490 |  |  | $ | 15 |  |  | $ | 54 |  |  | $ | 15,451 |
Mortgage-backed securities, residential |  | 216,489 |  |  | 87 |  |  | 8,757 |  |  | 207,819 |
Obligations of states and political subdivisions |  | 52,177 |  |  | 44 |  |  | 604 |  |  | 51,617 |
Corporate bonds and notes |  | 249 |  |  | — |  |  | — |  |  | 249 |
SBA loan pools |  | 3,874 |  |  | 1 |  |  | 27 |  |  | 3,848 |
Total |  | $ | 288,279 |  |  | $ | 147 |  |  | $ | 9,442 |  |  | $ | 278,984 |
|  | December 31, 2017
|  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Estimated Fair Value
Obligations of U.S. Government and U.S. Government sponsored enterprises |  | $ | 15,492 |  |  | $ | 20 |  |  | $ | 21 |  |  | $ | 15,491 |
Mortgage-backed securities, residential |  | 224,939 |  |  | 136 |  |  | 5,166 |  |  | 219,909 |
Obligations of states and political subdivisions |  | 52,928 |  |  | 355 |  |  | 151 |  |  | 53,132 |
Corporate bonds and notes |  | 249 |  |  | 2 |  |  | — |  |  | 251 |
SBA loan pools |  | 4,339 |  |  | 1 |  |  | 32 |  |  | 4,308 |
Total |  | $ | 297,947 |  |  | $ | 514 |  |  | $ | 5,370 |  |  | $ | 293,091 |
Amortized cost and estimated fair value of securities held to maturity | Amortized cost and estimated fair value of securities held to maturity are as follows (in thousands):
|  | March 31, 2018
|  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Estimated Fair Value
Obligations of states and political subdivisions |  | $ | 1,805 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,805 |
Time deposits with other financial institutions |  | 1,835 |  |  | — |  |  | 13 |  |  | 1,822 |
Total |  | $ | 3,640 |  |  | $ | — |  |  | $ | 13 |  |  | $ | 3,627 |
|  | December 31, 2017
|  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Estimated Fair Value
Obligations of states and political subdivisions |  | $ | 1,946 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,946 |
Time deposits with other financial institutions |  | 1,835 |  |  | — |  |  | 5 |  |  | 1,830 |
Total |  | $ | 3,781 |  |  | $ | — |  |  | $ | 5 |  |  | $ | 3,776 |
Amortized cost and estimated fair value of debt securities by contractual maturity | The amortized cost and estimated fair value of debt securities are shown below by expected maturity. Expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date are shown separately (in thousands):
|  | March 31, 2018
|  | Available for Sale |  | Held to Maturity
|  | Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Within one year |  | $ | 18,365 |  |  | $ | 18,350 |  |  | $ | 900 |  |  | $ | 899 |
After one, but within five years |  | 19,992 |  |  | 19,911 |  |  | 2,507 |  |  | 2,495 |
After five, but within ten years |  | 28,720 |  |  | 28,245 |  |  | 233 |  |  | 233 |
After ten years |  | 839 |  |  | 811 |  |  | — |  |  | — |
|  | 67,916 |  |  | 67,317 |  |  | 3,640 |  |  | 3,627 |
Mortgage-backed securities, residential |  | 216,489 |  |  | 207,819 |  |  | — |  |  | — |
SBA loan pools |  | 3,874 |  |  | 3,848 |  |  | — |  |  | — |
Total |  | $ | 288,279 |  |  | $ | 278,984 |  |  | $ | 3,640 |  |  | $ | 3,627 |
Proceeds from sales and calls of securities resulting in gains or losses | There were no proceeds from sales and calls of securities resulting in gains or losses for the three months ended March 31, 2018 and 2017.
Investment securities available for sale in an unrealized loss position | The following tables summarize the investment securities available for sale with unrealized losses at March 31, 2018 and December 31, 2017 by aggregated major security type and length of time in a continuous unrealized loss position (in thousands):
| Less than 12 months |  | 12 months or longer |  | Total
March 31, 2018 | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Obligations of U.S. Government and U.S. Government sponsored enterprises | $ | 14,947 |  |  | $ | 54 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,947 |  |  | $ | 54 |
Mortgage-backed securities, residential | 73,034 |  |  | 2,093 |  |  | 132,122 |  |  | 6,664 |  |  | 205,156 |  |  | 8,757 |
Obligations of states and political subdivisions | 42,728 |  |  | 574 |  |  | 260 |  |  | 30 |  |  | 42,988 |  |  | 604 |
SBA loan pools | 1,833 |  |  | 25 |  |  | 1,756 |  |  | 2 |  |  | 3,589 |  |  | 27 |
Total temporarily impaired securities | $ | 132,542 |  |  | $ | 2,746 |  |  | $ | 134,138 |  |  | $ | 6,696 |  |  | $ | 266,680 |  |  | $ | 9,442 |
| Less than 12 months |  | 12 months or longer |  | Total
December 31, 2017 | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Obligations of U.S. Government and U.S. Government sponsored enterprises | $ | 14,982 |  |  | $ | 21 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,982 |  |  | $ | 21 |
Mortgage-backed securities, residential | 83,562 |  |  | 1,013 |  |  | 131,165 |  |  | 4,153 |  |  | 214,727 |  |  | 5,166 |
Obligations of states and political subdivisions | 20,526 |  |  | 133 |  |  | 271 |  |  | 18 |  |  | 20,797 |  |  | 151 |
SBA loan pools | 3,937 |  |  | 32 |  |  | — |  |  | — |  |  | 3,937 |  |  | 32 |
Total temporarily impaired securities | $ | 123,007 |  |  | $ | 1,199 |  |  | $ | 131,436 |  |  | $ | 4,171 |  |  | $ | 254,443 |  |  | $ | 5,370 |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803 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=82897076&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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- Definition Tabular disclosure of the realized and unrealized gains and losses reported in the statement of income which have resulted from the sale and holding of marketable securities, respectively, as well as the sale or disposal of cost method investments. Such amounts would include realized gains and losses on the sale or disposal of trading, available-for-sale, and held-to-maturity securities, unrealized gains and losses on trading securities, unrealized gains and losses on available-for-sale and held-to-maturity securities transferred to the trading securities category, realized gains and losses on the sale or disposal of cost method investments, and losses recognized for other than temporary impairments (OTTI) of such investments. + 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 (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27405-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.M) -URI http://asc.fasb.org/extlink&oid=65877573&loc=d3e87990-122713 + Details
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- Definition Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&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 10 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27405-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 5: 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=82897076&loc=d3e27337-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6435544&loc=d3e41834-113960 Reference 7: 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=84173941&loc=d3e5086-111524 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803 + Details
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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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